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

One of the city’s oldest watering holes was originally the home of a famous James Brown (not that one).

A simple plaque remembers an act of WWI terrorism that obliterated an island and forever scarred the Statue of Liberty.

Mysterious rocks that ring musically when struck.

A smaller model of the Da Vinci sculpture that took 500 years to come to life.

A park full of outsider art, created by college students studying outsider art.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

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

When you're a great Russian Tsar, even your vomit gets a statue.

A little sculpture with a large wardrobe.

Christ's blood preserved in a Belgian town.

This gruesome biblical parade celebrates the one day a year that a bit of Jesus' blood turns to liquid.

An ancient Phoenician citadel once stood at the site where Queen Dido first landed, according to legend.

The ancient heart of Tunis is an enormous maze of narrow streets and alleyways.

An ancient burial ground believed to have been used for ritual sacrifice.

This dazzling Buddhist temple was constructed from over one million ceramic tiles salvaged from a British shipwreck.

This bridge made famous in a novel and on-screen wasn't actually built over the river Kwai.

A condom-covered Thai restaurant that is more concerned with birth control than food.

2300-year-old Roman road connecting the empire.

The yawning maw of this pagan visage is said to bite off the hands of liars.

These whimsical works of art tell the story of the city's past and present.

The site of Paul Revere's historic two lantern warning.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.