Odd outsider art installations surround a Gold Rush-era ghost town.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

A long abandoned hospital building on the outskirts of NYC.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

An abandoned jewel of a ballroom on the top floor of Australia’s busiest rail station echoes with the sounds of a bygone era.

A Maori village obliterated by an 1886 volcanic eruption.

A bronze kitty adorns the grave of the polar explorer who brought the original feline to the Antarctic.