A botched 18th-century canal silenced one of Sweden's most magnificent waterfalls.

An explosion of natural color known as "the river that ran away from paradise."

Monasteries on rock pillars, once accessible only by frayed ropes.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Museum dedicated to awful artwork.

An accidental trick of light casts the perfect shadow of a pilgrim of the Camino de Santiago against the cathedral wall.

One car at a time please.

The most alien-looking place on Earth.

The Mysterious Witch Bonney, a haunted statue in an old industrial city.

A house and yard adorned with bizarre concrete sculptures in a Milwaukee suburb.

Former hotel turned into haunted playground.

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

The fairy tale castle of the "fairy-tale king."

The topiary maze at the Habsburg hunting lodge.

Handsomely crafted representations of our round planet.

A fiery crater has been burning in the Karakum Desert since 1971.

A lifetime's accumulation of bric-a-brac and kitsch.

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.

An isolated dive site teeming with cnidarians.

A terrific purveyor of natural history objects and curios.