Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

This museum houses an imposing skeleton army comprised of creatures great and small.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

One of the largest trees of its kind in California.

A massive volcanic plug is now a protected area that hosts a number of bird species.

The unbelievably opulent home built for an infamous newspaperman.

An abandoned Cold War missile radar site.

An vast warehouse of everyday treasures in Berkeley, CA.

The only museum of sake in the United States is nestled in an unlikely California college town.

The small sanctuaries lie just off the beaten path near one of Bhutan's most famous attractions.

The small cliffside monastery known as the Tiger's Nest is said to be the meditation site of an 8th-century Buddhist master.

This Himalayan airport provides one of the most difficult landings in the world.

Strange, gentle beasts resembling goat-cow hybrids roam within this patch of forest.

This giant Buddha statue has 125,000 smaller Buddhas hidden inside it.

The final resting place of the tragic king and queen of the Jazz Age is tucked away in a small Maryland graveyard.

The Corinthian columns that towered over Abraham Lincoln’s inauguration stand proud.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

The 10,000 Torii shrine.

This ancient structure is widely thought to be the oldest intact pyramid in the world.

The first life claimed by this record-breaking peak wasn't lost to exposure or a fall, but rather lightning.

This natural wonder is disappearing at an alarming rate.