Castles and chateaux with free entry

Bašta, on the edge of Boskovice, is a historically layered site where prehistoric earthworks and a presumed medieval watchtower once guarded the surrounding Moravian landscape.

All that survives of the once-grand Berkovský zámeček in Sloup is a remnant of its gates, now protected as a cultural monument.

Bludov Castle (Czech: Bludovský hrad) is a now-ruined former medieval fortification in the Bludov municipality in the Olomouc Region of the Czech Republic.…

Bohunický hrádok is a ruined medieval fortification above the village of Bohunice, with only scattered wall fragments remaining on a hilltop at the foot of the Štiavnica Hills.

Breznický Castle is a medieval ruin crowning the andesite hill of Hrádok above the village of Tekovská Breznica in the Štiavnica Hills.

Burgstadt is a protected prehistoric hillfort near Vojkovice in the Karlovy Vary district, dramatically situated on a 370-metre spur at the confluence of the Bystřice stream and the Ohře river.

Burgstein is a small medieval castle ruin hidden in the Malínská rokle ravine near Nový Malín, long confused with the lost castle of Frankštát but valued today for its regional historical significance.

The medieval ruins of Choustníkovo Hradiště castle, founded in the early fourteenth century and later briefly converted into a convent, offer visitors a captivating slice of Bohemian history alongside beautiful panoramic views.

Chudý hrádek is a 14th-century castle ruin set on a rocky ridge above the Dolský stream valley, around six kilometres north-west of Dubá in the Česká Lípa district.

Chřibský hrádek (older name Karlštejn; German: Unterer Karlstein or Wüstes Schloss) is a ruined rock castle in Doubice in the Ústí nad Labem Region of the Czech Republic. It is located in the Elbe Sandstone Mountains.

The hillfort near Dolní Hradiště is a protected Czech cultural monument preserving the last remaining rampart of a prehistoric and early medieval defensive site east of the village.

Drachenburg, a medieval castle near Heřmanovice, stands as a romantically ruined yet evocative reminder of the region's history, set on a dramatic rocky spur above the surrounding hills.

Dračí hrádok is a medieval castle ruin perched on a rocky spur above the Červený potok valley, approximately 2 km east of the village of Borinka.

The prehistoric and early medieval hillfort of Hradec u Nuzice near Nuzice and Týn nad Vltavou occupies a naturally defended promontory at the confluence of the Lužnice River and Židová struha, and is today a protected cultural monument.

Hanigovský hrad is a picturesque ruin perched on a limestone hill at the edge of the Čergov range, approximately 10 km northwest of Sabinov.

Haselburg is a evocative medieval ruin north of Vimperk, known locally as Hrádek or Kulatá Bašta, offering history and panoramic views in the heart of the Šumava region.

The Upper Castle in Benešov nad Ploučnicí is the oldest part of a seven-building state-owned complex and has held the status of National Cultural Monument since 2001.

Hrabušice Castle, also known as Marcel's Castle, stands in ruins atop Zelená hora hill in the northern part of Slovak Paradise, near the village of Hrabušice.

Hrad Adršpach is a medieval castle ruin near the village of Adršpach in the Náchod district, founded by King John of Luxembourg in the fourteenth century and destroyed by the Silesians in 1447 after its garrison carried out raids across the border.

Andělská Hora, also called Engelsburg in the Germanic form of the name, is a castle above the village of Andělská Hora, about 7 kilometres (4 mi) southeast of Karlovy Vary, in the Karlovy Vary Region of the Czech Republi…

The ruins of Hrad Aueršperk stand above the Bystřice River near Bystřice nad Pernštejnem, representing a fine example of early Gothic bergfried-type castle architecture.

Bergrutsch is a mysterious, possibly medieval fortification in the Ore Mountains near Chomutov, perched on a spur above the Chomutovka river and remarkable for its unfinished character and uncertain origins.

Hrad Blansek is a protected medieval ruin perched above the Punkva River valley in the Moravian Karst, situated just steps from the Punkva Caves and the famous Macocha Abyss.

The ruins of Hrad Blansko, a protected medieval monument above the village of Mírkov, offer visitors both a glimpse into Czech history and breathtaking views over the Labe river valley.

Hrad Boleradice is a ruined medieval castle above the village of Boleradice in southern Moravia, offering a glimpse into the region's rich historical heritage.

Hrad Borotín is a striking medieval ruin set on a rocky spur above the Starozámecký pond near the village of Borotín in the Tábor district, forming a protected historical complex together with the adjacent Baroque courtyard known as Starý zámek.

The medieval ruin of Hrad Boskovice crowns Hradský Hill above the town of Boskovice, offering panoramic views across southern Moravia and standing as one of the region's most treasured protected heritage sites.

Hrad Boudy is a protected prehistoric hillfort near the village of Boudy in the Písek district, with settlement traces dating from the Middle Bronze Age and a fortified enclosure established during the Late Hallstatt period.

Hrad Bozeň is an early medieval hillfort near Březnice in the Příbram district, whose well-preserved earthwork ramparts and dramatic riverside setting make it one of Central Bohemia's most evocative archaeological sites.

The medieval ruins of Hrad Brada, set on a hilltop near the village of Brada in the Jičín district, are a protected cultural monument and a charming destination for history lovers and nature walkers alike.

Hrad Bradlec is a protected medieval castle ruin crowning a 542-metre basalt hill near Jičín in the Liberec Region of the Czech Republic.

The ruins of Hrad Brandýs nad Orlicí crown a dramatic spur above the confluence of two waterways, offering visitors a evocative glimpse into medieval Bohemian history.

Hrad Branišovice is an early medieval Slavic hillfort set on a promontory above the Malše River, representing one of the oldest surviving traces of permanent settlement in the České Budějovice region.

Hrad Bransouze was a medieval fortress set on a rocky spur above the Jihlava River near the village of Bransouze, today preserved only in landscape traces and local historical memory.

Hrad Brníčko is a protected medieval castle ruin near Zábřeh, founded by the lords of Otaslavice in the 14th century and first mentioned in written records in 1356.

Hrad Brumov is a 13th-century medieval fortress ruin rising above Brumov-Bylnice in the Zlín Region, renowned for its strategic control of the Vlárský průsmyk pass and protected as a cultural monument since 1964.

Hrad Buben is a freely accessible, listed medieval ruin in the Plzeň-sever district, dramatically situated above the confluence of the Mže River and Plešnický Brook and popular with history enthusiasts and visitors to the nearby Hracholusky reservoir alike.

Budějovická brána, built between 1598 and 1602, is the only surviving medieval town gate in Český Krumlov and a UNESCO World Heritage–listed landmark perched above the Polečnica River.

Budějovická brána, one of Třeboň's four historic town gates, served as the main vehicular entrance to the city and captivates visitors with the striking contrast between its massive stone portal and the delicate sgraffito decoration of the adjacent castle wall.

Hrad Budětice is a protected medieval castle ruin hidden in the forests of Džbán Hill near the village of Budětice in the Plzeň Region.

The ruins of Bukovina Castle near Hostim in the Znojmo district date back to the early 14th century and are protected as a cultural monument.

The twin-named castle of Burkvíz and Luginsland crowns the 654-metre ridge of Hradný vrch, offering history enthusiasts a hauntingly beautiful glimpse into the medieval past of the Burkvíz and Vraclávek area.

Bzovík is the ruin of a Gothic-Renaissance anti-Ottoman fortress and former Premonstratensian monastery located in the village of Bzovík near Krupina on the Krupina Plain.

Hrad Bánov, a medieval castle that once stood near the Church of St. Martin on the northern edge of Bánov, has left only scant traces behind, yet its protected site preserves a hauntingly evocative atmosphere.

The ruins of Hrad Bílkov, located in the village of Bílkov near Dačice, are a protected cultural monument dating back to the medieval period.

Hrad Bílá once crowned the rocky Skalka hill in the Beskydy mountains near Staré Hamry, and although little remains of the castle today, the site still captivates visitors with its dramatic scenery and medieval atmosphere.

Hrad Bílá skála is a prehistoric hillfort perched on a rocky spur of the Radečský ridge near Sklená Huť in the Rokycany district, protected as a listed cultural monument of the Czech Republic.

The scarcely visible remains of the medieval Fortress Bítov, founded by the local Bítovský z Bítova noble family, lie just north-north-east of the village and can be reached by a leisurely walk through fields or forest paths along the Sezina river.

The ruined castle of Břecštejn, a protected monument since 1964, stands six kilometres west of Trutnov in the scenic Krkonoše foothills of northeastern Bohemia.

The scenic ruins of Hrad Březina crown a rocky hilltop at 500 metres above sea level in the village of Březina, Rokycany District, and are listed as a protected cultural monument of the Czech Republic.

Chlum-Kozlov is a medieval rock-cut castle near Turnov, dating from the late thirteenth to early fourteenth century, whose preserved chambers and fortification traces have been a protected cultural monument since 1964.

Hrad Choustník is a restored hilltop ruin near Tábor notable as one of Bohemia's rare examples of a Ganerbenburg, a castle once shared by multiple noble families.

The ancient hillfort of Hrad Chyše crowns a dramatic spur above the Strela River on the boundary of Chyše and Záhoří, offering visitors a compelling blend of history and natural scenery.

Hrad Chřenovice is a medieval castle ruin perched on a rocky spur above the Sázava River near Havlíčkův Brod, offering stunning views and a rich history as a protected cultural monument since 1963.

Hrad Chřešťovice is a protected prehistoric and early medieval hillfort dramatically situated above the Orlík Reservoir, offering both a rich layered history and beautiful views over the Vltava valley.

Hrad Cimburk, a listed medieval ruin crowning a hilltop near Mestečko Trnávka, rewards visitors with preserved stonework and panoramic views of the Svitavy countryside.

Cimburk Castle is a castle located in the Czech Republic. It was built between 1320 and the 1330s. Štěpán of Vartnov repaired the castle's damage in 1468. Josef Schwoy described the castle in 1793.…

Cornštejn Castle (Czech: hrad Cornštejn or Cornštýn, Corštejn, Corštýn, German: Zornstein) is a castle near Bítov, 31 kilometres (19 mi) west of Znojmo, in south-west Moravia, the Czech Republic.…

The atmospheric ruins of Hrad Cvilín, a protected cultural monument southeast of Krnov, offer visitors a fascinating glimpse into medieval history alongside panoramic views of the surrounding landscape.

The medieval ruins of Hrad Dalečín, perched on a rocky promontory encircled by the river Svratka in the Vysočina Region, are a listed cultural monument offering a captivating blend of history and natural beauty.

Darmyšl is one of the oldest fortified sites in the Tachov region, perched atop Chlum hill with far-reaching views and a history spanning from prehistory to the early Middle Ages.

The ruins of Hrad Dobronice rise dramatically on a rocky spur above the Lužnice River near Bechyně, offering visitors striking valley views alongside a protected piece of medieval heritage.

Hrad Dobřany is a state-protected medieval castle ruin dating from the second half of the 13th century, set on a rocky spur west of the village of Dobřany in the Rychnov nad Kněžnou district.

Dolany is an early medieval hillfort in the Hradec Králové Region, where surviving earthen ramparts offer a rare glimpse into the fortified settlements of the early Middle Ages.

Bělá Castle (Czech: Hrad Dolní Bělá) is a castle located in Dolní Bělá municipality in the Plzeň Region of the Czech Republic. The first mention of the castle comes from somewhere between 1315 and 1318.

The ruins of Hrad Dolní Štěpanice, set on a spur at roughly 565 metres above sea level near Benecko, are a protected cultural monument preserving the atmospheric traces of a medieval stronghold.

Hrad Doubravice nad Svitavou is a protected medieval castle ruin set in peaceful countryside just east of the village of Doubravice nad Svitavou.

Perched above Teplice, the medieval castle ruin of Hrad Doubravská hora — also known as Doubravka or Nový hrad — is a protected cultural monument offering scenic views and a rich sense of history.

The medieval ruins of Hrad Drahotuš, set on a rocky ridge of the Oderské vrchy and protected as a Czech cultural monument, offer visitors a captivating blend of history and panoramic highland scenery.

Hrad Dražice is a protected medieval castle ruin perched on a natural terrace above the Jizera River near Benátky nad Jizerou, offering a glimpse into the fortified heritage of Central Bohemia.

Drábovna is a dramatic sandstone plateau in Český ráj, split by deep ravines into a labyrinthine rock town high above the Jizera River near Malá Skála.

Drábské světničky is a ruin of a 13th-century rock castle in the Czech Republic. It is located about 4 kilometres (2.5 mi) northeast of Mnichovo Hradiště on the ragged edge of a sandstone cliff high above surrounding lan…

Hrad Dršťka is a largely vanished medieval castle ruin perched on a slate ridge of the Brdy Highlands near Skořice, preserving little more than earthworks and scattered stonework amid a remote military landscape.

Hrad Durana is a historic circular earthwork fortification east of Úsobrno, named after Durancia, wife of the Olomouc prince Ota III. Dětleb.

The prehistoric hillfort of Dänemark near Kutná Hora is home to the oldest known dressed-stone structure in Bohemia, making it one of the most significant archaeological sites in Central Europe.

Perched on a rocky spur near Křemže where the Křemžský stream meets the Vltava, the Gothic ruins of Dívčí kámen offer a striking blend of medieval history and unspoiled natural scenery.

Hidden on a spur of the Drahany Highlands above a bend in the Velká Haná river, the ruins of Hrad Dědice preserve earthwork remains and traces of masonry from a medieval castle founded by Milota z Dědic in the 1270s.

Hrad Děvičky is a striking Gothic castle ruin crowning a 428-metre limestone crag on the northern edge of the Pavlov Hills in southern Moravia, and has been protected as a cultural monument since 1964.

Hrad Děvín is a protected medieval castle ruin crowning a 436-metre hill in the Česká Lípa district, set within the beautiful Děvín a Ostrý nature reserve.

Hrad Dřel is a medieval noble stronghold hidden in the forests of Chlum hill near Koldín, offering history lovers a peaceful and atmospheric destination in the Orlické hory borderland.

The ruins of Hrad Džbán, set on a forested spur in the Džbán Nature Park near Rakovník, preserve a remarkable moat and fragments of medieval masonry just a short walk from Mutějovice railway station.

Hrad Edelštejn, once one of Silesia's largest fortresses near Zlaté Hory, survives today as protected ruins whose 1936 plans reveal a once-mighty stronghold spanning 120 by 65 metres.

Egerberk (or Egerberg, in Czech Lestkov) is a ruined castle near Klášterec nad Ohří. The name is derived from the German name of the Ohře river - Eger => Egerberg.…

Perched at 551 metres in the Vizovické vrchy highlands, the ruins of Engelsberk Castle are a protected medieval monument accessible via the scenic Tutkovské sedlo saddle near the village of Sehradice.

Hrad Falkenberk is a state-protected medieval ruin atop Sokol hill in the Lužické hory, near Jablonné v Podještědí, dating to the early fifteenth century.

Ruins of Falkenštejn Castle (Falkenstein Castle, German: Felsenburg Falkenstein) can be found next to the village Jetřichovice in the Ústí nad Labem Region of the Czech Republic.…

Hrad Frankštát, a medieval castle that once stood guard over the villages of Třemešek and Nový Malín, survives today only as scattered ruins on a strategic hilltop.

Hrad Fredevald is a quietly atmospheric ruined castle hidden in the Lusatian Mountains near Česká Kamenice, protected as a Czech cultural monument.

The atmospheric ruins of Hrad Frejštejn, a 13th-century fortress on the Dyje River, are a protected cultural monument of the Czech Republic.

Hrad Freudenstein is a protected medieval ruin near Jáchymov, perched at 810 metres in the Ore Mountains and preserving two corner towers as a testament to the region's storied mining past.

The ruins of Hrad Freudenštejn near Vrbno pod Pradědem are a listed Czech cultural monument since 1958, offering visitors a fascinating window into Silesian history.

Hrad Frymburk is a listed medieval ruin above Nový Hrádek in the Náchod district, dating back to the 13th century and offering visitors a hauntingly atmospheric glimpse into the region's distant past.

Frýdštejn Castle (German: Burg Friedstein) is a castle ruin in Frýdštejn in the Liberec Region of the Czech Republic. It is one of three castles in Jablonec nad Nisou District.…

Hrad Fulštejn, a protected medieval ruin near Bohušov in the Bruntál District, offers visitors a captivating journey into centuries of Silesian history.

The atmospheric ruins of Hrad Fürstenwalde, a medieval fortress that fell out of use by the early 16th century, crown the forested Zámecká hora above Vrbno pod Pradědem and offer a quietly compelling glimpse into Silesia's medieval past.

The ruins of a medieval Pauline monastery in Gombasek are a charming historical landmark in the Gemer region, situated between Rožňava and Plešivec.

Gradca is a prehistoric hillfort near Rudimov and Slavičín whose three horseshoe ramparts, ancient trade routes, and finds ranging from Early Bronze Age copper axes to a medieval Hungarian royal coin make it one of the region's most archaeologically significant sites.

The atmospheric ruins of Hrad Gutštejn, a state-protected monument founded around 1300 by the Hroznatovci family, stand freely accessible on a forested spur above the Hadovka stream near Konstantínovy Lázně.

Hamrštejn (German: Hammerstein) is a castle ruin located on the outskirts city of Liberec, Czech Republic. The stone castle was founded on a rocky outcrop, in a bend of the Lusatian Neisse.…

Hrad Hartenštejn is a late Gothic castle ruin near Bochov, notable for its semi-circular battery towers and polygonal bastion, and protected as a cultural monument since 1964.

Hazmburk (German: Hasenburg, literally "Hare Castle") is a solitary hill in the Lower Ohře Table plateau with an elevation of 429 m (1,407 ft).…

Helfenburk is a castle ruin in the municipality of Krajníčko, 5.5 kilometres (3.4 mi) from the town of Bavorov in the South Bohemian Region of the Czech Republic.…

The atmospheric 14th-century ruins of Hrad Helfenburk u Úštěka crown a sandstone spur 310 metres above sea level, just three kilometres from the town of Úštěk, offering visitors a striking blend of medieval history and unspoilt forest scenery.

Helfštýn (German: Helfenstein, Helfstein) is a castle ruin in Týn nad Bečvou in the Olomouc Region of the Czech Republic. It is located 15 kilometres (9 mi) east of Přerov.…

Hrad Himlštejn is a well-preserved medieval ruin crowning the 638-metre hill of Nebesa in the Doupov Mountains, offering visitors a fascinating glimpse into centuries of history alongside breathtaking views of the surrounding landscape.

The Hunger Wall (Czech: Hladová zeď) is a medieval defensive wall of the Lesser Town of Prague, today's Czech Republic. It was built on Petřín Hill between 1360 and 1362 by order of Charles IV.…

The ruins of Hrad Hluboký, a state-protected medieval castle hidden above the Bystřice River near Hrubá Voda, once guarded the historic route between Olomouc and Opava.

The ancient hillfort of Hodovíz, also known as Vyšohrad, is a protected prehistoric monument set on a dramatic spur near Hvozd in the Plzeň-sever district, offering visitors a rare glimpse into the region's distant past.

Perched on a hilltop surrounded on three sides by the Dalešice Reservoir, the evocative ruins of Hrad Holoubek are reachable via red and green hiking trails from both Vladislav and Chroustov.

Hrad Holýšov, set on Trný Hill near Holýšov, is one of the Plzeň-South district's most notable prehistoric hillforts, blending rich archaeological heritage with scenic countryside walks.

The ruins of Hrad Holštejn, a protected cultural monument since 1964, offer visitors a captivating glimpse of medieval fortifications nestled in the scenic landscape of the Moravian Karst.

Hrad Hostákov is a largely vanished medieval castle known only from sparse historical records, set on a low hill north-east of the village of the same name.

The ruins of Hrad Hoštejn, a medieval Gothic castle near Zábřeh, preserve an evocative system of ditches, ramparts, and a lone palace wall above a hidden cellar, and have been listed as a protected cultural monument since 1964.

Hradiště Hrazany is one of the finest Celtic oppida in the Czech Republic, a two-thousand-year-old hilltop fortress above the Vltava River whose sweeping earthen ramparts offer a remarkable window into early Celtic civilisation.

Hrad Hrubé kolo is a protected prehistoric hillfort rising above the village of Biskupice in the Svitavy district, offering a rare glimpse into the ancient settlement history of the Pardubice Region.

Hrad Hryzely is an early medieval hillfort near Barchovice in the Kolín district, featuring three well-preserved earthen ramparts and ditches dating from the 8th–9th century and protected as a cultural monument since 1965.

Hrad Hukvaldy is one of the largest and most impressive medieval castle ruins in the Moravian-Silesian Region, offering visitors a captivating blend of history, architecture, and natural beauty.

Hrad Hus is a medieval castle ruin dramatically set on a rocky promontory above the Blanice River at 730 metres, listed as a protected cultural monument since 1963.

Hrad Huzová, also called Mutkov or Waldhausen, is a ruined 13th-century castle near Huzová whose abandonment in the 1320s gave rise to both the Lords of Sovinec and the Lords of Holštejn.

Hrad Hynšta is a protected rock castle hidden among the sandstone cliffs of Příhrazské skály, offering visitors a striking blend of medieval history and untouched Bohemian wilderness.

Hrad Hřídelík is a protected medieval rock castle ruin perched on a monolithic sandstone block on the southern edge of Blíževedly, near the Kokořínsko – Máchův kraj Protected Landscape Area.

Hrad Janštejn is a protected medieval ruin in the Vysočina region, steeped in history and linked to the legendary Hussite leader Jan Žižka.

Jenčov Castle (Czech: hrad Jenčov), also known as Jinčov Castle, is a castle ruin in the municipality of Běleč in the Central Bohemian Region of the Czech Republic.…

Hrad Jestřebí is a ruined 14th-century cliff castle rising above the village of Jestřebí in the Liberec Region, built by the Berkovec of Dubá nobility and protected as a Czech cultural monument since 1958.

Hrad Jevišovice is a ruined 13th-century noble stronghold perched above the Jevišovka River in southern Moravia, whose site has lent its name to an important Eneolithic archaeological culture.

Hrad Jezdec is a ruined medieval rock fortress perched on a granite spur above Kateřina Valley in Liberec's Ruprechtice district, where it once guarded the road to Frýdlant and today offers visitors a rewarding viewpoint alongside rich archaeological finds.

Jiljov is a deliberately constructed Romantic-era folly ruin near Holany, built in the early nineteenth century as a picturesque addition to the landscape around Zahrádecký zámek and protected as a cultural monument since 1965.

Hrad Jivno is a dramatically situated medieval ruin overlooking the Klíčava reservoir in the Křivoklátsko Protected Landscape Area, immortalised in the works of Czech writer Alois Jirásek.

Hrad Jurův kámen, a medieval fortress on Kotouč Hill near Štramberk, has largely vanished, its site now marked by a monument honouring the Czech composer Bedřich Smetana.

Hrad Kalich is a medieval castle ruin near Třebušín in the Bohemian Central Highlands, built by the Hussite commander Jan Žižka in 1421 and protected as a cultural monument since 1964.

The ruins of Hrad Kaltenštejn, a medieval Silesian fortress near Černá Voda, stand as a protected cultural monument and a captivating reminder of the region's fortification heritage.

Hrad Kamenná věž stands on a dramatic spur above the Římov reservoir, where barely visible ruins and a breathtaking natural setting combine to create an unforgettable atmosphere.

The Gothic castle ruin of Kamýk crowns a basalt spur in the Bohemian Central Highlands and has been a protected Czech cultural monument since 1964.

The ruins of Hrad Kanšperk near Suchov preserve only fragmentary walls of a medieval single-ward fortress abandoned by 1466, though annual summer archaeological camps have been bringing its history back to life since 1999.

Katarínka is a scenic early Baroque Franciscan monastery ruin nestled in the forests of the Little Carpathians near the village of Dechtice, north of Trnava.

Hrad Kavčiny is a vanished medieval fortress near Valdštejn in the Semily district, whose earthwork remains still hint at the strategic importance this part of Bohemian Paradise once held.

Hrad Kašovice is a medieval fortress ruin set amid a scenic larch forest above the village of Kašovice, protected as a cultural monument since 1964.

Kepkov is a ruined motte-type hilltop castle near Rašovice in the Vyškov District, whose sparse historical record and intriguing archaeological finds hint at close medieval ties to the now-vanished villages of Konůvky and Bohušky.

Hrad Klabava is a medieval ruin set on the steep banks of the Klabava River near Ejpovice, offering a atmospheric glimpse into the region's past.

The romantically ruined medieval fortress of Hrad Kladruby, set within a neglected château park at 455 metres above sea level, has been a protected cultural monument since 1974.

Hrad Klenov, also known as Freundsberg, is a hauntingly beautiful medieval ruin crowning the highest rocky peak of the Klenov ridge in the Vsetín district, set within a protected nature reserve of the same name.

Hrad Kláštenec, a long-forgotten fortress on the hill of Babylon near Lomnica nad Popelkou, once guarded the eastern edge of the Bohemian Paradise from an elevation of 631 metres.

Hrad Kněží hora is an early medieval Slavic hill fort crowning the summit of Katovická hora in the Strakonice district, cherished both as a rare archaeological monument and for its panoramic views of the Bohemian countryside.

Hrad Koberštejn near Zlaté Hory is a ruined medieval tower that rewards visitors with sweeping views across the mountains and into Poland.

Hrad Kojetín, a medieval fortress that once guarded the Kojetín region near Suché lúky, has left almost no visible remains today, yet still draws visitors with a passion for local history.

Perched above the Dalešice Reservoir near Hartvíkovice, the ruins of Kokštejn castle are a protected cultural monument offering a hauntingly beautiful and historically significant destination.

Hrad Kokšín is a thought-provoking medieval site above the Úhlava River, where earthwork remains and ruined masonry hint at a past that blurs the line between military outpost and noble residence.

Hrad Komošín, perched on a rocky spur near Dolany, is a protected medieval ruin offering serene views over the Úhlava River valley and a charming taste of Šumava's hidden history.

Hrad Koryta is a prehistoric hillfort near the village of Koryta in the Plzeň-sever district, dramatically situated on a narrow spur surrounded on three sides by the Střela River and listed as a cultural monument of the Czech Republic.

The medieval ruins of Hrad Kostomlaty pod Milešovkou, built in the early 14th century and long associated with the noble family of Kostomlatských z Vřesovic, have been a protected cultural monument since 1964.

The hillfort of Kotýz near Tmaň is a protected archaeological and natural monument in the Beroun District, preserving traces of human settlement from prehistoric and early medieval times.

The medieval ruins of Hrad Kouty, dating from the 14th century and protected as a cultural monument since 1965, offer a romantic glimpse into Bohemian history near the village of Kouty in the Benešov district.

Hrad Kozlov is a compact yet evocative medieval ruin set among dramatic melaphyre outcrops on the Kozlov hill in the Ještěd-Kozákov Ridge, dating from the fourteenth century and protected as a cultural monument since 1964.

Kozlov Castle is a medieval ruin that transforms between a romantic island and a peninsula depending on the water level of the Dalešice Reservoir, creating a uniquely mysterious atmosphere.

The ancient hillfort of Hrad Kozly, situated on the left bank of the Elbe near the village of Kozly in the Mělník district, is a protected cultural monument bearing witness to the early settlement of the Elbe lowlands.

The castle ruins of Kozí hřbet sit on a narrow rocky ridge above the Mastník stream in the Sedlčany region, offering a hauntingly beautiful blend of medieval history and unspoilt forest scenery.

The atmospheric ruins of Hrad Košíkov, perched above the confluence of two rivers near Drahonín, are a state-protected cultural monument and a compelling destination for anyone drawn to medieval history and unspoilt Moravian scenery.

Hrad Košťálov is a 14th-century keep-type ruin perched atop Košťál Hill in the Bohemian Central Highlands, offering both a glimpse into medieval history and breathtaking panoramic views.

The overgrown ruins of Hrad Košťálov crown a hill above the village of the same name and are protected as a cultural monument of the Czech Republic.

The ruins of Hrad Kožlí, dramatically set on a rocky spur above two converging streams near Tisem, have been a protected cultural monument since 1965.

Perched above a dramatic rocky spur in the Křivoklátsko landscape, the Gothic ruins of Krakovec Castle stand as a landmark example of late medieval royal architecture that pioneered the shift from fortress to refined aristocratic residence.

Hrad Kraví Hora is a romantically situated medieval ruin rising above the confluence of the Oslava and Chvojnice rivers near Kuroslepy, now protected as a Czech cultural monument.

Hrad Krašov is a historically layered medieval ruin perched above the Berounka river near Bohy in the Plzeň Region, with origins dating to the early 13th century and architectural phases spanning from Gothic through Renaissance to Baroque.

The prehistoric hillfort of Krchleby, perched on the summit of Holubí hlava near Staňkov, is a captivating site where thousands of years of history can be felt beneath your feet.

The twin-named Gothic castle of Krupka (also known as Rosenberg), perched on a rocky spur above the town of Krupka in the Teplice district, offers both a glimpse into medieval history and stunning views of the surrounding countryside.

The ruins of a monastery church near the village of Krásny Brod are a remarkable historical landmark in north-eastern Slovakia.

Krásný Buk Castle (German: Schönbuche) is a ruined a medieval castle near the village of the same name (German: Schönbüchel) in the borough of Krásná Lípa (Schönlinde) in the Šluknov Hook in the Czech Republic.…

Hrad Kuchlov is one of Moravia's least-preserved medieval ruins, a short-lived 13th-century fortress hidden in the forested Malá Haná valley, now protected as a Czech cultural monument since 1970.

Hrad Kuglvajt is a hidden medieval ruin crowning a forested granulite hill at 740 metres above sea level near the hamlet of Kuklov in the Český Krumlov district.

Hrad Kumburk is a protected Gothic castle ruin crowning a 639-metre hilltop on the edge of Český raj, offering visitors a challenging climb and spectacular views over the surrounding landscape.

Kunětická hora Castle (Czech: hrad Kunětická hora) is a castle in the municipality of Ráby in the Pardubice Region of the Czech Republic. The castle lies on Kunětická hora Hill, about 6 km from the city of Pardubice.…

Perched at 1,037 metres in the Šumava mountains near Strážný, Hrad Kunžvart is one of the highest-situated castle ruins in the Czech Republic and a protected cultural monument steeped in border history.