Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

Town full of spiritualists, some of whom are mediums, is still in full swing after 130 years.

Outsider art meets paleontology at this roadside reptile repository.

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

Once the most densely populated place in the world, this island is now a ghost town.

This attraction was abandoned after the Chernobyl disaster.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.