A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

Monasteries on rock pillars, once accessible only by frayed ropes.

A church of bones, decorated with 40,000 human skeletons.

See massive fossils that are over 200 million years old in northeastern Arizona.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Disney World's very first waterpark is now an abandoned ruin being reclaimed by the swamp.

A UFO-shaped event building originally intended to be a science museum showcasing the future.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

This winding road through an Italian canyon may be the most scenic drive in the world.

His "Lionheart" is entombed separately from the rest of his body.

Miles of man-made caves and tunnels are currently used for cultivating mushrooms.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

This French castle is said to have once held the Holy Grail but is now a gorgeous mountaintop ruin.

The famous winding walk at Chartres is surrounded in mystery and myth.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Ming Dynasty necropolis raided during the Cultural Revolution.

The most famous location in China was home to whole dynasties worth of imperial rulers.

A surreal statue honoring Prague's favorite literary son.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

A mocking tribute to the past and modern leadership of Prague.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”