The outcropping is graffitied with the name of the beloved musical Muppet television series.

The ruins of this former mining boomtown once housed over 3,000 people. Now, the population is two.

Crumbling remnants of what was once a booming town full of silver.

A small side chapel in Santa Fe's basilica is home to the oldest statute of the Virgin Mary in North America.

The oldest continuously occupied public building in the United States.

A natural formation that resembles a camel resting in the New Mexico desert.

Setting this massive marionette aflame rids Santa Fe of doom and gloom for another year.

A fantastic castle rumored to be the birthplace of King Arthur.

Fascinating town where normal life interfaces with the occult.

In the ruins of Glastonbury Abbey lies the alleged resting place of the legendary king.

This hill and tower are steeped in legend, from King Arthur to the Holy Grail.

This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

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.

One of the world’s smallest bars, just 13 square feet, is brimming with speakeasy flair.

The abandoned "Ghost Mansion" was left to decay in the mountains of Northern Italy.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Reproductions of nine banned oil paintings coyly hidden behind a curtain in a New Mexico conference room.

A multi-storied adobe complex has been inhabited for more than a thousand years.

Legends surround this jagged rock formation in the New Mexico desert.

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.