This 18th-century project to build the world's tallest gravity dam was never completed.

This embalmed man is one of the best preserved mummies from the Canary Islands.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

An 18th-century battery complete with original kitchen and garrison.

A rehabilitation center for some of South America's most unique and endangered animals.

This city park wants you to take your shoes off.

The colonial city's social history is reflected in its fanciful door knockers.

An ancient city hidden in the heart of the Sierra Nevada mountains.

A patchwork of ruins from various civilizations in one of the world's oldest continually inhabited cities.

Brush shoulders with animatronic Arab leaders made of silicone.

Mummies preserved naturally for seven centuries.

This modernist cinema has survived war and reconstruction to become a symbol of Lebanon’s revolutionary spirit.

A 1970s resort city now stands abandoned, caught in the middle of a divided island.

Once part of an ancient international harbor, it's now an all-you-can-eat shrimp buffet for flamingos and other water birds.

A unique configuration of blown glass can be found inside this hotel lobby.

This futuristic building is yet another architectural wonder in Dubai.

An abandoned desert hamlet swallowed up by sand.

Lebanon's highest point offers expansive views, martian terrains, and eerie ski lifts.

More than 20,000 salt and pepper shakers from across the globe call this museum home.

This seemingly random 30-foot statue of an oryx in Qatar's capital was a mascot for the 2006 Asian Games.

The enormous diamond-shaped building packs a trove of academic and literary treasures into one futuristic space.

An abandoned fishing village in pre-oil Qatar.

The shallow, salty inlet was a safe haven for 19th-century pirates.

Home of the infamous Rug Man of Doha.