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

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Sniff the Titan Arum's rotting flesh.

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

Walk through Czech history in Prague's largest graveyard.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

The fountain marks the area where hundreds of accused witches were burned at the stake.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

A celebration of capitalism in Midtown.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.