In this historic region, homes and churches are carved into ancient volcanic rock formations.

This antique prison is a tourist attraction with a sordid past.

Fascinating town where normal life interfaces with the occult.

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

A village on the east coast of England that has almost completely eroded into the North Sea.

Giant, friendly pelicans in Central London, the most unlikely of places.

Catacombs turned marketplace.

Museum about life, death, and cannibalism in the Stone Age.

The first declared National Monument in the United States.

An isolated dive site teeming with cnidarians.

Thousands of exquisitely carved stone water storage wells, hundreds of stone steps fill this exquisite medieval stepwell.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

A seemingly endless landscape of pure salt stretches far across Bolivia.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

A snapshot of the city's fascinating voodoo culture.

The world's largest collection of witchcraft regalia.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

Medicinal spa created with the discharge from a geothermal energy plant.

The rocks in this arid basin leave trails of movement behind them.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

An exquisite tunnel of cascading flowers.