For this chef, an active volcano is his oven.

A grumpy old water goblin guarding an old mill on the Devil’s Stream in Prague.

These warring psychedelic crags commemorate an unsuccessful military operation.

This bizarre residential building is the masterpiece of Von Jour Caux, the “Gaudí of Japan.”

One of the world’s most colorful cemeteries, where each pigment is symbolic.

Sparkling, calcite-covered skeletons of children who may have been sacrificed to appease an angry god.

Abandoned city hidden from the world by tropical forest and isolation on the coast of Kenya.

Roman ruins top white travertine terraces formed by ancient hot springs.

An architect transformed this abandoned cement factory into his castle-like workshop.

What was once believed to be a church floor turned out to be the artwork of geology.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

A lavender labyrinth so large it’s visible on Google Earth.

A former Canadian Pacific Railway station turned liquor store, the first and only station in Canada visited by British royalty.

The oldest still-existing mosque in the United States sits in a remote prairie in North Dakota.

A performance hall at the American Jewish University moonlights as a sci-fi film location set.

The ruins of a 19th-century aqueduct run through this Brazilian island's deep forest.

A peculiar family mausoleum built by a German nobleman captivated by the occult.

Remains of an abandoned coral city.

A nearly century-old amusement park is quietly decaying in a riverside forest in South Carolina.

The oldest bar in Missouri is hidden within a limestone brewery cellar more than 50 feet underground.

The largest collection of woven silk tapestries in the world.

Pick up this rock and become an instant legend.

This public observatory is home to the "celestial cannon," the longest pointable telescope in the world.

This grisly effigy displays an early Christian martyr who was skinned alive and beheaded.