One of the world's largest collections of medieval religious art.

A menacing statue of this mythical creature can be seen at the legendary site of the monster's lair.

Catch a scenic view of Warsaw's Old Town from the top of a centuries-old dumping ground.

This bell stars in a tragic love tale and is said to make wishes come true.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

This hidden collection of everyday objects illustrates life within communist Poland.

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

This translucent sculpture represents a quintessential component of New York City's skyline.

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

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

Noirish green neon marks the location of one of the oldest private detective agencies in France.

The celebrated eyesore created by starry-eyed sweethearts.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

The approximate spot where the last Grand Master of the Knights Templar was put to death.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

The final resting place of many of New Jersey's most famous residents, including U.S. history's most in-vogue antagonist, Aaron Burr.

Nassau Hall has served as army barracks, a museum, and played a key role in the American Revolution.

The mysterious canine hides atop a drain pipe on the back of the building, some say as a sneaky shoutout to Yale.

This enormous World War II relic is one of the largest wooden structures in the world.

This bronze statue commemorates the strange and beloved mascot of UC Irvine—the only university to be represented by a giant anteater.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

The only pub in the world surrounded by an ancient stone circle.

Europe's largest prehistoric mound – burial site of a legendary king?