A total of 14 men held the title of "president" before George Washington—their historical legacies are enshrined in the lobby of a hotel.

This hulking behemoth is actually five interconnected towers built in the 1960s.

Press 1 for knock-knock jokes.

Bizarre Cavern.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

The elevator hidden in a smokestack on Roosevelt's yacht now serves as a monument to the former president.

Explore the legends surrounding these mythical sea creatures inside this museum.

An arcade packed with a rotating collection of unique independent video games.

Amid the sprawling Defense Intelligence Agency Headquarters is one of Washington's least accessible museums.

A mountain of conch shells created by centuries of fishermen.

This huge pile of volcanic boulders hides a stunning network of secret grottoes.

This Javanese-Hindu temple from the 15th century is unmissable for anyone with even a passing interest in erotic art.

The red crab exhibits one of the most spectacular migrations on earth, despite manmade obstacles.

A sprawling nature preserve harbors the world's only living dragons.

Bali's remote "gateway to heaven" is one of the most sacred places on the island.

Isolated atop this Balinese sea crag is a lovely Hindu temple that is said to be guarded by sea snakes.

A historic bridge no one is allowed to cross.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

Led Zeppelin wrote some of their most iconic songs at this little 18th-century Welsh cottage.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

Roman ruins top white travertine terraces formed by ancient hot springs.

After giving up Michelin glamour for his Amish faith, one chef now makes stellar sausages in a small, off-the-grid shop.

The secret room where early Bolsheviks cranked out propaganda fliers on a smuggled printing press.