-An ornamental structure whose creation reflects a whimsical inclination on the part of the builder.
-A site intended to capture and preserve the soulful and melancholy beauty of ruins.
-In France, a site designed for clandestine romantic relationships.
-In America, a deliberate attempt to preserve the universal symbol of democracy of ancient Greece and Rome through recreated temple forms; often seen on banks and government buildings.
(From FollybyDesign.com)