The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

The first piece of public art dedicated to LGBT rights.

Unrepaired walls from a 1920 anarchist bomb attack.

Manhattan's lighthouse, erected at the insistence of the unsinkable Molly Brown.

A bit of retro transportation flair preserved in the world's largest department store.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

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.

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

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

New York City's smallest piece of private property.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A semi-scholarly approach to sex.

Elevated freight railway turned wildly successful urban park.

Try not to get slimed in Tribeca.

Once a black market electronics marketplace, now an otaku shopper's paradise.

After a profound show of devotion for his master, a dog becomes the symbol of loyalty for an entire nation.

A 20-meter (65-foot) robot towers over Tokyo Bay.

Not quite the menace it once was, this monster still has some chops.

A magical place that lets you play in and explore the world of Studio Ghibli.

The fairy tale castle of the "fairy-tale king."

The prototype for all Nazi concentration camps.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.