The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

A small storefront museum explores the history and myth of West Virginia's famous urban legend.

The museum calls itself the "National Museum of the Paranormal" and is full of eerie oddities.

A 16th-century horror show built in a lovely Italian garden.

The beehive-like buildings of this abandoned resort reside near the border of Mauritania and Senegal.

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

Amazing taxidermy dioramas from the 1960s in a cement building meant to look like an ice cave.

An ethereal glowing blue ocean cave in Croatia.

Tubing through a cave lit with glowworms is a magical underground experience.

The world's longest known cave system.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

This former shopping outlet is now adorned with beautiful graffiti and murals.

A land of debatable treasure.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

Temporary Burning Man sculpture made of two 18-wheelers.

The most magnificent bottle house in a town strangely full of them.

Nearly 300,000 acres of wildlife, natural splendor, and a hidden ghost town have been designated a national monument.

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

Preserving the remains of Native American cultures which otherwise would have been submerged behind Hoover Dam.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

Graffiti, cars, and religion combine to create this jungle of scrap in the Nevada desert.

The drama of nature in full effect in this Nevada State Park.

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