The Swallow's Nest is a decorative castle near Yalta on the Crimean peninsula in southern Ukraine. It was built 1911-1912 in Gaspra, on top of 130 ft high Aurora Cliff, to a Neo-Gothic design by the Russian architect Leonid Sherwood it overlooks the Cape of Ai-Todor of the Black Sea and is located near the remnants of the Roman castrum of Charax.