Castles and Fortresses in 3D
- Jeffrey Cooper's photographs of castles and fortresses in Europe, including some in three dimensions, with instructions on how to view.
- http://www.3dphoto.net/world/topics/castles/castles.html

Wikipedia: Krak des Chevaliers
- An illustrated history of the great Crusader castle in Syria.
- http://en.wikipedia.org/wiki/Krak_des_Chevaliers

Castle Land
- Photographs of castles and ruins in Europe (Slovakia, Czech Republic, Austria, Hungary) with brief history and location.
- http://castle.land.sk

Medieval castles
- Informative website containing the history of the castles built in the Dark Ages. It also features stories and torture devices employed.
- http://www.medieval-castles.org

Peel Castle
- A virtual tour by Charles Guard. The castle is on St Patrick's Isle, part of the Isle of Man.
- http://www.isle-of-man.com/heritage/sites/peel-castle/index.shtml

Topcastles
- Robert Rongen presents images and brief details of hundreds of medieval castles, sorted by country, region and castle type. Includes a quick guide to castle types with plans, and a list of the top 100 castles, as rated by surfers.
- http://www.topcastles.com

Hohensalzburg Fortress
- Fortress in Salzburg, Austria, built in 1077. One of the largest fully preserved fortresses in central Europe.
- http://www2.salzburg.info/weltkulturerbe_30.htm

The Castle of Lari
- This medieval castle near Pisa, Italy, was transformed over the centuries into a luxurious governor's residence. An illustrated history, guide to notable buildings of Lari, and visitor information.
- http://www.castellodilari.it

Castles of Poland
- Information about castles presently within the Polish borders illustrated with photographs, plans, drawings, sketches and reconstructions. Search engine and detailed map are available.
- http://en.zamki.pl

Trakoscan
- A much-reconstructed castle in Croatia which is now a museum. History and architectural development, Draskovic family, location map, floor plans, tour, and visitor information.
- http://www.mdc.hr/trakoscan/

Chortkiv Castle from 1610
- This stone castle in Western Ukraine was built in 1610 to replace a medieval timber one. Roman Zakharii gives a photograph, history and description.
- http://www.personal.ceu.hu/students/97/Roman_Zakharii/chortkiv.htm

ORB Bibliographies: Castles
- Over 1600 citations of works on castles from the Online Reference Book for Medieval Studies.
- http://the-orb.net/bibliographies/castles.html

Treasures and Mysteries of the Malbork Castle
- Tourist guide Czeslaw Pajak describes the attractions of this medieval brick castle in Poland, once headquarters of the Teutonic Knights.
- http://malbork.20m.com

Helfstyn Castle
- Roman Derych provides an illustrated introduction to the history and architectural development of one of the best preserved castle complexes in the Czech Republic.
- http://www.helfstyn.cz/

Hwasongsong Castle
- Henny Savenije describes the construction of this fortress built (1794-1796) in Suwon, Korea by King Jeongjo. He includes the original drawings for it from the manuscript book Hwasong Seongyeok Uigwe.
- http://www.hwasong.henny-savenije.pe.kr/

Medieval Siege
- Companion site to the NOVA program on castles.
- http://www.pbs.org/wgbh/nova/lostempires/trebuchet/

Olavinlinna Castle, Savonlinna, Finland
- St. Olaf's Castle was founded in 1475 by Erik Axelsson Tott. Official site of the National Board of Antiquities has beautiful photographs, brief history and visitor information.
- http://www.nba.fi/CASTLES/OLOF/Infoeng.htm

Castle of Sypesteyn
- The official site of this mock-medieval castle in Netherlands built around 1900 by C.H.C.A. van Sypesteyn, who intended it as an authentic reconstruction.
- http://www.sypesteyn.nl/

Castles of the United States
- Castle-fan Jim is building himself a mock-medieval home. Here he gathers images of other imitation castles in the US.
- http://dupontcastle.com/castles/

Medieval Castles in Finland
- Beautiful photographs from Virtual Finland, with readable history by Dr. Carl Jacob Gardberg, State archaeologist.
- http://virtual.finland.fi/finfo/english/castles.html

Castles
- Images and descriptions of several castles in Europe and Himeji Castle, Japan, with references, from Great Buildings Online.
- http://www.greatbuildings.com/types/types/castle.html

Castle Tirol
- Photographs and outline history of this medieval castle in Northern Italy - now a museum - from Dorf Tirol.
- http://www.dorftirol.com/uk/section4.htm

Torrione Castle
- An Italian fortress dating from the Middle Ages, though much altered. History and archival images.
- http://vialardi.org

Egeskov Castle
- Renaissance moated castle in Denmark from 1554 with information in English, Danish and German. Contains a large park with beautiful gardens, and an old-timer museum.
- http://www.egeskov.com/

Castles and Castle Ruins in the Netherlands
- Enthusiast Marko Tjemmes supplies clear histories of castles close to his home in Rotterdam, illustrated with photographs, earlier images and ground plans. Bibliography.
- http://www.castles.nl/

Castles of the Middle Ages
- An introduction to castles - their purpose, rooms, and defenses - and descriptions of some of the most famous in the UK, France, Italy, Germany, Spain and Eastern Europe. Includes weddings in castles.
- http://www.medieval-castles.net

Castles of Tuscany
- P.Ramponi's comprehensive guide navigated via an index and interactive maps. Readable history and photographs for each of the many castles or walled towns.
- http://www.castellitoscani.com/

Château de Spontin
- Small photographs and information for visitors on this picturesque late medieval Belgian castle.
- http://www.dreamit.be/castles/spontin/index.htm

Belgian Castles
- More than 300 castles classified for visits, restaurants, hotels, meetings, weddings, bed and breakfast, possibilties for cultural events.
- http://www.dreamit.be/castles/

Castles of the World
- Extensive collection of castles, palaces, fortresses and monasteries. Organized with search engine, maps, descriptions, photos and a directory.
- http://www.castles.org/