A failed utopia, shut down by a more legitimate nation.

Discovered after draining a local pond, these ancient man-made caves are still a complete mystery.

Thousands of effigies of Buddha watch from caves set high above a legendary river, plus whiskey.

A small museum in this border city displays the contraband art that has been stolen back from smugglers.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

A notorious Route 66 eatery once frequented by Al Capone.

The last remnants of what was once one of the world's grandest hotels can now be found in a Manhattan subway station.

The headquarters of a secretive order is also a beautifully-designed park.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

These seven moai figures are the world's only sanctioned replicas of the Easter Island originals.

The magical, mossy forest that inspired 'Princess Mononoke.'

One of the largest ancient geoglyphs in the world is a tall desert god used for predicting the weather.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

The world's largest collection of the world's largest objects is in one small Illinois town.

A once-glowing grotto at the bottom of Waikapalae Wet Cave.

Her final resting place was intended to be modest and private, but the power of her popularity continues to draw visitors.

After much poking and prodding, this island is decidedly not a magnetic anomaly, but it sure is pretty.

This hobbit-y little hot spring may be the oldest spring used by humans in all of Iceland.

One of the oldest churches in Romania is believed to have been built on the site of a pagan temple.

This ship carrying cargo and four church bells for the Catedral Metropolitana Nossa Senhora Aparecida ran aground in 1968.

A growing popular hipster market with over 100 local specialties and live music.

Traversing steep Alpine slopes, this engineering marvel is one of the longest and highest funiculars in the world.

This giant volcanic crater holds its very own field of salt.

This elegant Colombian fortress was one of the torture headquarters for the Spanish Inquisition.