Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

Japanese island famous for poison gas and fluffy bunnies.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

This Japanese national treasure was originally built in 593.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

A modern mechanical planetary system, part of a 10,000 year clock.

Not quite the menace it once was, this monster still has some chops.

A bizarre roadside attraction and the first instance of miniature golf in the world.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

This quirky curiosity shop takes its cues from the world's bazaars.

Open-air museum with an elaborate sculpture garden, stretching for over 70,000 square-meters.

Behind the pink curtain, Au Bonheur du Jour, an art gallery of erotic archives.

An ethereal glowing blue ocean cave in Croatia.

The final resting place for the remains of 143 Habsburg royalty.

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

Thousands of well-dressed mummies below a monastery.

Visible below the waves are memorials to the city's Gold Rush dead.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

A clear blue swimming hole with hidden caves, still unexplored.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

This Irish show cave is said to have been the site of a Viking massacre that claimed 1,000 lives.