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

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

A snapshot of the city's fascinating voodoo culture.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

On the Oregon coast there is a natural hole that seems to be draining the sea.

Most-visited and most-photographed slot canyon in the American Southwest.

A crumbling hospital from the 1850s on Roosevelt Island.

World's first "penitentiary," meant to be humane, drove men insane.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

Rippling sand dunes frozen in the Arizona rock.

World's largest collection of serial killer artwork and other macabre exhibits.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A psychedelic labyrinth on the San Francisco bay.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

A huge musical instrument played by the ocean.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

This mansion turned restaurant was once a pitstop for Al Capone during his travels.

A restored, one-room African-American schoolhouse in the diva's hometown now preserves the legacy of its most famous student.

One man has spent decades faithfully constructing this unique brick and cinderblock castle.

Over a dozen Native American earth mounds dating back over 2,000 years dot this Tennessee archaeological park.

Hiding behind a grocery store is a spectacular cavern carved as part of an old limestone quarry.

This former maximum-security prison is creepy, sobering, and supposedly haunted.