North America's oldest quarantine facility was built in response to Philadelphia's 1793 yellow fever outbreak.

Where America's first doomsday cult awaited the end of the world.

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

This abandoned cemetery is crumbling into ruin, exposing the artifacts and bodies buried there.

The graves of a Connecticut family thought to have been plagued by a vampire.

In the heart of Brigham Young's promised land sits a festering plot of industrial ruin that has been claimed by society's outcasts.

The location of the last stand of Charles Manson's doomsday cult.

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Water of undetermined depth has attracted rare fish and cult leaders alike.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

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

Abandoned Air Force base that has fallen into disrepair.

Megachurch turned Catholic church comprised of 10,000 glass panes.

Abandoned bridge hidden deep in the San Gabriel Mountains.

This graveyard is the eternal home of the residents of a vanished California town.

Carved by a waterfall in a hard-to-reach rock formation, this heart-shaped rock has inspired romantics for decades.

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

The site of murders and Satanic cult gatherings.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

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