A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

One of the largest underground systems runs under Canada's largest urban center.

A fantastic place to see murals, and an important location in the history of Toronto's legal street art scene.

This whimsical fountain pays tribute to Toronto's four-legged friends.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

The courtyard of this small Marinid madrasa is a dazzling example of intricate Islamic architecture.

The oldest known university in the world is in Fez, Morocco.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

One of the most spectacular canyons in the world.

Founded as a refugee camp, now a popular tourist spot.

These locks on North America’s oldest canal are named after a porcine rock formation.

The mastermind behind this palatial hotel perished on the Titanic weeks before its grand opening.

Louise Bourgeois' 30-foot-tall steel spider sculpture.

A fake block of cheese remembers a feat of dairy engineering from the Chicago World's Fair.

A boardwalk winds above this beautiful bog full of wildlife and a rare type of turtle.

Hidden deep within New Jersey Pine Barrens is a massive graffiti wonderland.

Near the ruins of a Civil War coastal fortress lies the only known African refugee cemetery in the United States.

The highway's southernmost spot is a beloved local attraction.

An idyllic swimming pool tells the tale of Hemingway's trouble with women.

The island residents are known for taking their quirky sense of humor with them to the grave.

A monument celebrating the idea of reaching inaccessible places.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.