Unlike other abandoned asylums this empty institution welcomes visitors, just don't go in the buildings.

This miniature feudal castle was built on a whim to honor a US Navy pioneer.

Once a private collection, now the only museum of arms and armor in the Western Hemisphere - CLOSED.

This evocatively named natural crevasse was created by a torrent of water that smashed right through a granite deposit.

Locals purchased this abandoned quarry in order to make sure it continues to be overgrown.

A former copper mine which became a truly unsuccessful prison.

The mansion home of author Edith Wharton.

Decades after testing the polio vaccine on unwitting patients, this historic mental hospital sits in ruin.