The Pope’s secret escape route.

Budapest's Communist-era statues, banished to the suburbs.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

Shrine dedicated to boars that is believed to cure foot and leg injuries.

Burial mound for the ears and noses of thousands of mutilated Korean soldiers.

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

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

The ghostly remains of an accidental sea.

Baroque celebration of the end of the Great Plague of Vienna.

Former self-sufficient mental institution now a planned community.

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

A motel dedicated to Southwestern nostalgia.

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

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

New Orleans' famous cemetery, located on the site of a former race track.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

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

Large one-man sculpture park in Michigan.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

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

Macabre astrological automaton clock dating to the late 1400s.

Looming communist pillar with a Czech twist.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."