In architecture, a folly is a building constructed primarily for decoration, but suggesting through its appearance some other purpose, or of such extravagant appearance that it transcends the range of
Broadway Tower, Worcestershire, England
The Dunmore Pineapple in Scotland (attributed to William Chambers)
Built in 1912, the Swallow's Nest is one of the Neo-Gothic châteaux fantastiques in Crimea.
Modern reconstruction of the Turkish Tent, a permanent structure at Painshill, Surrey