Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

This museum offers an actual time machine back through Colorado's past.

Possibly the world's only drive-in movie theater with an attached motel.

Paranormal investigators claim this abandoned asylum is the most haunted spot in the eastern U.S.

An eight-sided home built during a brief octagon craze in the 1850s.

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

A sculptor's dream castle turned fantastical ruin.

A mysterious, abandoned building rotting on the Brooklyn waterfront.

A forsaken wonder in the middle of the East Side neighborhood.

The abandoned ruins of America's first private zoo are open for exploration in the Catskills.

A millionaire's abandoned swimming pool from the gilded age of one of America's most distinguished families.

This Central New York ghost town was once a prosperous railroad community.

Tucked behind New Jersey's abandoned Gingerbread Castle lie the eerie ruins of a once-flourishing paper mill.

Undone by Prohibition, this abandoned brewery-turned-flour mill is now ready for its third act.

An abandoned factory along the Mississippi coated by a giant mural.

A crumbling mountain resort that looks like it was abandoned in an instant.

Glass and concrete building designed by Albert Kahn.

This picturesque abandoned home is rumored to be a spite house.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

Explore the dark underground corridors of this graffiti-covered former military fortification.

It's clear this abandoned Art Deco gem was no ordinary cleaners.

Songwriter Leon Russell transformed this church into a recording studio used by many legendary musicians.

Beneath the mossy overgrowth covering this once-sprawling campus lies decades of history and the secrets that come with it.

A tunnel once abandoned now thrives with graffiti art as an off-limits makeshift gallery.