A treasure hunter's tiny bar, harboring celebrities since 1959.

The original "capsule building" is a masterpiece of Metabolist architecture.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

The red crab exhibits one of the most spectacular migrations on earth, despite manmade obstacles.

This antique prison is a tourist attraction with a sordid past.

Radioactivity still cause for concern at this urban explorer's paradise.

Beautiful public park off the beaten path and away from tourists.

A natural arch offers panoramic views of Yangshuo's karst hills.

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

The world's longest known cave system.

WWI hospital ship lost in a cyclone turns up on the coast of Fraser Island, where she remains rusted and forgotten.

The headquarters of the Mahanikai school of Buddhism, Thailand's largest monastic order.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

A once grand hotel is being retaken by the wilderness it once capitalized on.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

The largest self-built castle in the U.S., six decades in the making.

This freshwater spring fills with 10,000 gallons of water per minute.

An abandoned 19th century quarry in the middle of the woods, remade by unnamed wanderers into a massive series of rock thrones.

This structure among the trees was the result of divine inspiration.