Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

One of only two commuter aerial tramways in the United States.

San Francisco's newly reopened hands-on science museum.

A speakeasy takes on Chicago's drinking culture.

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

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

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

Hollowed out cedar log tubs set in an ancient towering forest.

A museum dedicated to the history and exploration of both popular music and science fiction.

Odd outsider art installations surround a Gold Rush-era ghost town.

A hotel and restaurant serving as the mecca of kitsch.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

An emporium for the weird, creepy, rare, and just plain gross.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."