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

These numerous Israeli caves were dug out over hundreds years for reasons ranging from hideouts to burial sites.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

The abandoned shell of what would have been the Jordanian royal family's summer palace.

A Biblically notable site over the ruins of an ancient city that is now a protected World Heritage site.

The abandoned ruins of a beautiful medieval castle just outside Barcelona.

Submerged ruins of a Neolithic coastal settlement, where houses, wells, graves and skeletons have been unearthed.

A majestic mansion designed in Mughalai style, complete with a turquoise onion dome.

The world's largest maze is a nature park with nearly 200 decision points.

This Argentinian hedge maze is an intricate tribute to a famous surrealist author.

The longest hedge maze in the world.

This Portuguese bullring is built right into the caldera of an island volcano.

At night, bats patrol this magnificent 18th-century space in search of book-eating pests.

A hidden three-foot-wide house separates these two regal churches.

Rainwater transformed this old quarry into a peaceful pond you won't find in most tourist books.

Portugal’s highest lighthouse has one of the most impressive focal planes in the world.

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

A cluster of granite granaries perched on stilts.

Dead weights honor the dead of Portugal's fishing industry.

A majestic hotel for dreamers rises from the center of a fairytale wood.

This abandoned five-star hotel is now a five-star urban exploration destination.

The corpse bride of Portugal.

This crumbling Portuguese ruin overlooks the populace it once ruled.

An abandoned mine now resembles a post-apocalyptic landscape of derelict buildings and blood-red pools of water.