Very likely the only museum in the world that celebrates the glory of the humble banjo.

South Korea's love of the silly photograph is on full display at this goofy collection of trompe l'oeil paintings.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

Huge stone depressions which may have acted as an Incan agricultural experiment.

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

A mysterious and terrifying public art goblin seemingly meant to inspire local legend.

A field of nothing but boulders which resembles a giant's gravel driveway.

An immersive art experience built by local arts collaborative, Factory Obscura, in the building formerly known as The Womb, a psychedelic arts center founded by the frontman of the Flaming Lips.

Nondescript elevator doors open to reveal a stunning, surreal world.

An outsider art studio that created a piece of work so popular they had to turn mainstream.

The best-preserved Roman small town in North Africa.

An ultra-modern vista that has been featured in so many films the house is a celebrity in its own right.

These molds for fiberglass statues have formed an eerie, accidental sculpture park.

Outsider art meets paleontology at this roadside reptile repository.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

A submerged archeological park still holds the wonders of a Roman Sodom.

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

The final resting place of the great escape artist, where some still gather to wait for his escape from death.

France's national museum of scientific and industrial instruments.

This large round boulder is said to emit spiritual power, but it may just be magnets.

An enormous dragon scales the walls of this 17-story temple.

The palace of the King of Kings, burned by Alexander the Great.

For those with no fear of heights: a skywalk 4,700 feet up on a Chinese mountain.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.