One man's real life disfigurement inspired a lasting local legend surrounding an eerie tunnel.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

Doris Duke's lasting collection of Islamic Art, hidden in a Hawaiian paradise.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The original film set of Luke Skywalker's Tatooine home from the 'Star Wars' trilogy.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

In the depths of the Everglades, one man has dedicated his life to studying the elusive Skunk Ape.

Take a drunken tour inside the world's largest known geode.

This church in Pittsburgh is home to the largest collection of religious relics in North America.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

A monument marks the location of the first successful steamboat demonstration.

Home with Gothic windows featured in a famous painting.

A museum of unusual collections, mini-towns, and a half-dog, half-alligator.

Mysterious glowing orbs float through the desert night.

Standing guard on top of an old, vacant ice cream shop.

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

Where beautiful signs live on forever.

The largest earthwork effigy in the world.

Remnants of 19th century vigilante justice.

A monster in the plant world, up to 10 feet tall and smelling of death.

A museum commemorating the Donora Smog, which killed 20 people in October 1948 and sparked national outrage over air pollution.