城堡曾经是一种贵族和权利的象征，不管是从历史还是在艺术的角度来说，都是人类宝贵的财富。
Neuschwanstein Castleby Pilar Azaa

El castell de Hunedoara / The castle of Hunedoaraby SBA73
Hirosaki Castle. Wow! (Explored)by Glenn Waters
Palais des Papesby Lars Van De Goor
Dunluce Castle at Twilightby Gary McParland
Intervalby Rebecca Cusworth
Old castleby Dare Turnsek
CELJE CASTLEby Herman Cater
Castle Grodziecby Piotr Cichosz
The Castleby Nicola Molteni
Scrabo Towerby Gary McParland
Dolwyddelan Castleby Ray Wise
Caisteal rd Bhric & Cuinneag, Sutherland. 23/01/10by Douglas Griffin
Kilchurn Castle Februaryby Wytchwood
Castle Muiderslotby Iván Maigua
FrontSideMagicCastleJRby Valpopando
Prague castleby FotoBob#
Schloss Mespelbrunnby Batram
Chteau de Foix, Ariègeby Bibliothèque de Toulouse
Dunottar Castle, Stonehaven, Scotlandby The Library of Congress
Zvíetice, CZby Steve Coleman
Ancient European splendour 2by JohnDan1
Eilean Donanby Walden Effingham
Burg Eltz, Germanyby Hans Vaupel
Montaigneby Barbara Frizz