A prohibition-style speakeasy takes up residence in the last Victorian residence in Hollywood.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

The legendary building that needed ghostly approval before being built.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

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

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

A psychedelic labyrinth on the San Francisco bay.

An eerily abandoned stone tower is all that remains of a demolished dam on Cape Fear River.

The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

A piece of outsider public art accompanied by a strange urban legend.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

A former Oz-themed attraction that has fallen into disrepair, but still holds some of the original magic.

These eerie outliers of the lightning bug family glow a mysterious blue color.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

An abandoned 1920s school with a mysterious history.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

Venice's "Island of the Mad."

This former abandoned hospital, a complex of stunning 19th century buildings, once housed 2,000 psychiatric patients.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

One of the largest-ever mental hospitals now sits abandoned, surrounded by 25,000 unmarked graves.

A state-of-the-art medical facility from the Imperial era is now a derelict ruin.

Creaky dinosaurs grow in the backroads of Monmouth County, New Jersey.