Mysterious meeting place for UFO hunters near Area 51.

A vast city of the dead, where the deceased outnumber the living by more than a million.

This mosaic-covered bar is brimming with curated curios.

Collection of skeletal systems from the "world's leading supplier of osteological specimens."

A New England curiosity cabinet, one hundred years on.

This graveyard contains markers and monuments dedicated to some of the darkest chapters in Washington's history.

This small cemetery is all that remains of Atlanta's first Black communities.

The maximum security facility was once thought to have "the bloodiest 47 acres in America."

Take an otherworldly journey in a school dedicated to out-of-body experiences.

This historic graveyard monument is dedicated to a tragic victim of witch trial hysteria.

The final resting place of New England's last "vampire."

An ever-growing collection of rare and strange objects owned by local Arkansas illusionist Maxwell Blade.

New England's tallest light house stands on an island with a history of cannibalism and death.

A subterranean world of tunnels links several buildings of this rare 19th-century asylum.

137 graves holding New England's earliest residents.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

The smallest country in the world.

Beautiful hillside Vermont cemetery with amazing funerary art.

Ruins of a historic medical facility sits eerily by the water.

The library of every book lover's dreams.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

An abandoned town is hidden in Great Smoky Mountains National Park.

An abandoned 1920s school with a mysterious history.