An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

Stone Age solar temple is aligned with the sun on each equinox and solstice.

This subterranean necropolis holds three floors of antler-dug grave caves.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

These temples are among the oldest free-standing stone buildings in the world.

Ancient mysterious ruts carved in the bedrock.

This spectacular dome managed to survive after being bombed in World War II, in an event known as the "Miracle of Mosta."

This 700-year-old Cyprus castle is the birthplace of the world's oldest wine, said to be toasted by Richard the Lionheart at his wedding.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

Take a stroll through the hellish grotesques of Hieronymus Bosch in this elaborate Netherlands church.

This fairy tale forest hides scenes from some of the more obscure and bizarre Western nursery stories.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

Local legend says Isaac Newton built this footbridge without any screws, bolts, or nails.

A large collection of steam engines, organs, and fairground attractions.

A strange and ancient landscape hides the dark, cavernous remains of a 5,000-year-old flint mine.

The wreckage of an old coastal trading vessel is only visible at low tide.

This little-known hero has been protecting "The Fens" for close to 400 years, and now from its most powerful challenger yet: climate change.

All that remains of the fishing-vessel-turned-warship is its weathered hull.

"The Donut" was built as part of an expensive, ill-fated engineering endeavor.

This captivating Bronze Age timber circle spent centuries concealed by the tides.