This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

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

The world's largest collection of witchcraft regalia.

Eighty million natural history specimens call this gargantuan museum home.

In 1977, an eccentric book lover formed a micronation for book lovers.

A 125-meter long "tribute to the Brazilian people."

This massive Brazilian church is built like an angular, technicolor pyramid left by Mayans from the future.

The final resting place of the liberator of Argentina is guarded around the clock by two soldiers.

Constructed on the ruins of a convent, this tower saved countless lives.

Abandoned bull fighting ring, slowly falling apart in Uruguay.

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

The 28-foot granite map plots the locations of 40 theaters in New York City.

Rummage through this sunken ship, but leave your scuba gear at home.

In its day this historic fort held 100 cannons pointed in almost every direction to protect New York.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

A popular European tradition makes its way to the states on one of America's most famous bridges.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

A 19th-century funicular railway shuttles visitors up this surprising sea cliff to one of the world's largest camera obscuras.

Next to the Leaning Tower of Pisa is a cemetery home to ancient sarcophagi and disturbing murals.

An art project designed to encourage people to explore and investigate their surroundings more closely

An opportunity to walk in the footsteps of Nobel Peace Prize winners.

A unique sculpture designed to outline humanity's reliance on oil.

The iconic blonde bombshell has a familial connection to this town in southern Norway.