This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Each spring, a dreamlike carpet of bluebells overtakes the forest floor.

This ghost town in Belgium will lose its street art when it ceases to exist.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

This tri-part waterfall is a little bit of fairytale beauty in the heart of Luxembourg's Little Switzerland.

This noble mash-up in eastern Luxembourg is part Medieval, part Renaissance, all castle.

Once the local rulers had gone these enchanting ruins housed common folk in an almost real life fairy tale.

Natural rock formation, or biblical artifact that saved Earth's wildlife two by two?

This mysterious cliffside carving of an ancient Hittite deity has baffled scholars for centuries.

This ancient city - home to nine civilizations - is soon to be buried under 200 feet of water.

A mysterious ancient cemetery with Roman sarcophagi and Lycian inscriptions.

Mausoleum and Holy Seat of Antiochus I of Commagene.

Once described as the "Eagle's Nest," this ruined ancient city rests on a remote mountaintop.

While not Turkey's deepest underground city, this subterranean redoubt is the largest.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

Roman ruins, natural methane fires and a lovely beach.

Naturally protected city carved from a rock face.

Hidden just under the waters around this Turkish island are the ruins of a once great city.

An abused and forgotten metropolis, abandoned for centuries.

A Lycian city of the dead carved into the hillside of Southern Turkey, complete with startlingly human touches.

This famous city eluded concrete detection until the early 2000's.

A deadly ancient portal to the underworld.

This hunter-gatherer architecture is believed to be the oldest religious complex known.

These tombs were built into the side of a mountain so that ancient angels could reach the dead.