Government testing at the asylum briefly explored using marijuana as a "truth serum" on Nazi prisoners of war.

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

Where beautiful signs live on forever.

A one-of-a-kind collection of a unique medium.

This abandoned Poconos resort is haunted by a history of kitschy romance and a violent fugitive.

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

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

A hand-built folk art installation covered with messages of God's love.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

The cruel trial of a 13-year-old boy inspired the creation of this now abandoned reformatory.

An abandoned theme park with a strange and tumultuous past.

An abandoned asylum where patients have been forgotten but their possessions remain.

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

A small Richmond island dotted with the remnants of hundreds of years of history.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.