The quarry was abandoned over 100 years ago, after a massive ammunition explosion ended in tragedy.

A castle built for love, and abandoned due to heartbreak.

This tiny little island has, as the name says, just enough room for its single house.

A deteriorating 1990s Girl Scout camp in a beautiful lush park on Lake Ontario.

A reversed traffic signal that was once violently misinterpreted as a statement on British-Irish relations.

This Art Deco fortress in upstate New York gives Manhattan's vaunted examples of the style a run for their money.