...Kalemegdan Park and Belgrade Fortress is a wonderful complex located in the upper part of Belgrade, the main city in Serbian Country. In the fortress, you can see some very interesting places like Military Museum ...

...Bled Castle is a medieval castle built on a precipice above the city of Bled in Slovenia, overlooking Lake Bled. According to written sources, it is the oldest Slovenian castle and is currently one of the most visited tourist attractions in Slovenia.

...Dubrovnik Castle- Fort Lovrijenac. At first we only went outside of the City Walls to grab a lunch, where there's fresh seafood, the prices aren't too crazy and the view pleasant and away from the crowds.

...Hohenzollern Castle is the ancestral seat of the imperial House of Hohenzollern. The third of three hilltop castles built on the site, it is located atop Mount Hohenzollern, above and south of Hechingen, on the edge of the Swabian Jura of central Baden-Württemberg, Germany.

...Il Palácio Nacional da Pena - o semplicemente Palácio da Pena o Castelo da Pena - è un palazzo/castello, situato sulle colline della città portoghese di Sintra, paese del centro, vicino a Lisbona.

...Il palazzo di Caterina era la residenza estiva degli zar di Russia, eretta in stile rococò e facente parte del complesso architettonico di Carskoe Selo, nella città di Puškin a circa 25 km, o meglio 24 verste a sud-est di San Pietroburgo..

...The Alcázar of Segovia is a medieval castle located in the city of Segovia, a World Heritage Site by UNESCO. Rising out on a rocky crag above the confluence of two rivers near the Guadarrama mountains, it is one of the most distinctive castle-palaces in Spain by virtue of its shape – like the bow of a ship.

...Bram Stoker never visited Romania. He depicted the imaginary Dracula’s castle based upon a description of Bran Castle that was available to him in turn-of-the-century Britain. Indeed, the imaginary depiction of Dracula’s Castle from the etching in the first edition of “Dracula” is strikingly similar to Bran Castle and no other in all of Romania. Stoker is widely purported to have used the illustration of Bran Castle in Charles Boner’s book, "Transylvania: Its Product and Its People", (London: Longmans, 1865) to describe his imaginary Dracula's Castle...

...Predjama Castle is a Renaissance castle built within a cave mouth in south-central Slovenia, in the historical region of Inner Carniola. It is located in the village of Predjama, approximately 11 kilometres from the town of Postojna and 9 kilometres from Postojna Cave.

...Corvin Castle, also known as Hunyadi Castle or Hunedoara Castle, is a Gothic-Renaissance castle in Hunedoara, Romania. It is one of the largest castles in Europe and figures in a list of the Seven Wonders of Romania.

...Bodiam Castle is a 14th-century moated castle near Robertsbridge in East Sussex, England. It was built in 1385 by Sir Edward Dalyngrigge, a former knight of Edward III, with the permission of Richard II, ostensibly to defend the area against French invasion during the Hundred Years' War.

...Neuschwanstein Castle is a 19th-century Romanesque Revival palace on a rugged hill above the village of Hohenschwangau near Füssen in southwest Bavaria, Germany. The palace was commissioned by Ludwig II of Bavaria as a retreat and in honour of Richard Wagner.

...Boldt Castle is a major landmark and tourist attraction in the Thousand Islands region of the U.S. state of New York. Open to guests seasonally between mid May and mid October, it is located on Heart Island in the Saint Lawrence River. Heart Island is part of the Town of Alexandria, in Jefferson County.

...Edo Castle, also known as Chiyoda Castle, is a flatland castle that was built in 1457 by Ōta Dōkan. It is today part of the Tokyo Imperial Palace and is in Chiyoda, Tokyo, Toshima District, Musashi Province. Tokugawa Ieyasu established the Tokugawa shogunate here...

...Kryal Castle is a replica medieval castle located eight kilometres east of Ballarat, Australia, at Leigh Creek, just north of Dunnstown, in the foothills of Mount Warrenheip.