Mysterious ancient boulder carved with petroglyphs in the mountains of Western North Carolina.

The beauty of urban decay, hiding some dark secrets.

This grand mansion has starred in everything from Bones to Buffy.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

An eccentric inventor's castle home with its own indoor weather system.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

Small museum packed with artifacts recovered by the man rumored to be the real-life inspiration for Indiana Jones.

This free, take-a-book shop seems like a trick but isn't.

The longest living non-clonal organisms on Earth.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

A little piece of the Shire is hidden behind a plant nursery in Port Orchard, Washington.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

A popular swimming hole that hides one of America's most deadly diving spots.

A collection of Witchcraft artifacts and occult paraphernalia started by the leader of the Long Island Coven.

An unfortunate geological resemblance to Satan has labeled this Pasadena gorge as a passage to the underworld.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

European castle ruins in an American state park are actually the product of death and grief.

A castle built by an eccentric medieval enthusiast in rural Ohio.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

A picture-perfect town, perfect for blowing up.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

The haunting, dilapidated remains of a former poorhouse on Staten Island's Greenbelt.