Belgrade at night by MishaMaricPhotography
entrance of Mont Louis  from the window of the Guard " house"P1210605 by CURUTCHET
illefranche  at night 1 P1230200 by CURUTCHET
Dunguire castle reflection by MaxMontella
West Wall Lookout by MontyRPennington
_DSC2537 by TonyJolley
Fairytale Castle-Castillo de Butrón by petergillberg
Castle Saint Malo, Brittany Coast by jargonart
Hammershus Castle in summertime by karenvesterager
Ancient park ensemble in Muiden. by kireevart
Evening sky abpve conflence of Moravia and Danube seen from Devin castle - border of Austria and Slovakia by fleretdvorce
 Marché aux truffes de Villefranche  du conflent P1170114 by CURUTCHET
Eilean Donan Castle by SueLeonardPhotography
Spanish fortification by sigridbh
The Mistery of Warwick Castle by VToom
Aspiration To Infinity by nedimchaabene
Church Juromenha by rixtportugal
Doorway to.... ? by mikegatt
San Marino – photo of the walls and the tower by NicoTrinkhaus
Wall with a view by sigridbh
Working on the Wall by sadetutka
Fort St. Nicholas, Rhodes by lindagagnon
Laguna Agate  by Fujiguy
The path to Goodrich Castle by SteveCrampton
Mosque of kigs_7 by syedasjadalijafri
Krishna Temple by anshu_pix
Bare Island by VictorHawkAus
Kamyanets-Podilskiy fortress, Ukraine by yuriyvlasenko
East Wall - Castillo San Felipe by MontyRPennington
Dolbadarn Castle by larryplatner
Segovia, Spain. The Alcazar of Segovia. Castilla y Leon with rainbow. by Danielvg