Swallow's Nest - Ukraine

The Swallow's Nest Castle is one of the most popular visitor attractions in Crimea, having become the symbol of Crimea's southern coastline. 

 UA-1119830, sent by Ivan & Olga.

The Swallow's Nest is a decorative castle located at Gaspra, a small spa town between Yalta and Alupka, on the Crimean Peninsula.

It was built between 1911 and 1912, on top of the 40-metre (130 ft) high Aurora Cliff, in a Neo-Gothic design by the Russian architect Leonid Sherwood for the Baltic German oil millionaire Baron von Steingel. - in: wikipedia