According to a gruesome legend, an architect sacrificed his wife to build this spectacular, 16th-century cathedral.

These mosaic designs promise a cure for headaches, toothaches, and colds.

A galaxy of glowworms—larvae of a gnat—hides deep in the belly of these caves.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

Dive bar built out of the remains of a whaling ship.

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

A hand-painted advertisement for chocolate adorns the walls of this historic building.

A field of whimsical floats, where all of your favorite childhood stories have been put out to pasture.

The ancient Greek Titan guards this massive dam holding a lightning bolt to symbolize electricity.

The striking jade death mask of an ancient Maya king is displayed in a replica tomb in Mexico City.

A herd of 150 bison live on California's Santa Catalina Island and are at the heart of an ongoing debate between environmental protection and economic expansion.

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

The ruins of the "place of the cloud snake" sit in the middle of an urban environment.

Still standing despite its considerable slant, this tilted lighthouse has become a local symbol of resilience.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

Vietnam's largest Buddha statue depicts a female sage.

This spectacular bridge supported by two gigantic hands looks like something out of a fantasy universe.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

Twice a day a speeding train passes only inches from the homes of this residential neighborhood.

Owned by no one but beloved by all, Brownie was a good dog.

Life-sized painted illusions let pedestrians blend in with the street art.

A pier that used to act as a busy ferry dock is now a decaying favorite of local fisherman and urban artists.

The third tallest lighthouse in America once guided author Stephen Crane to safety.