This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

Twice a day one of these tragic bronze mariners drowns with the tide to remember all those the sea has taken.

A miniature train theme park, free to the public, laying at the base of the Santa Monica Mountains.

This metallic stampede sits frozen on a Washington ridge yet the artist's vision is still incomplete.

Paris' linguistic guide to the international language of, yes, love.

A melancholy jester sits on the grave of a famous 20th-century ballet dancer and choreographer.

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

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

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

Notorious artist squat renovated into legal studios.

The celebrated eyesore created by starry-eyed sweethearts.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

France's most famous cemetery, with some of its most curious tombs.

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

An enormous illuminated figure dances on the Las Vegas strip.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

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

A hotel and restaurant serving as the mecca of kitsch.

Four hundred granite steps were built into this massive rock by the National Park Service.

California's oldest wind harp represents a historic piece of America's Danish history.

Honoring the famed folktale author, this California museum looks like it belongs in the Black Forest.

A meditative space out of a fantasy story.

This giant spider sculpture made from the iconic car is one giant visual pun.