An abandoned outdoor movie theater in the Sinai desert.

An alien landscape of chalk-rock in the Egyptian desert.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

The world's largest clay lick, where parrots gather to snack.

The world's fifth tallest waterfall is a spectacular silver chute of water that cuts through the cloud forest in northern Peru.

These steeply terraced ruins are a stop along the Inca Trail to Machu Picchu.

Sleep in a glass pod dangling off a cliff.

One of the world's tallest waterfalls wasn't revealed to the world at large until 2006.

An unexpected desert oasis in South America.

A remarkable geological formation resembling a forest made of stone.

This scalding hot river was thought to be a myth until one geoscientist made it his quest to study the mystical waters.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

A remote candy-striped mountain in the Peruvian Andes straight out of the pages of Dr. Seuss.

Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

This amazing oasis of art and plants is hidden on the outskirts of Marrakesh.

A fortified city, home to a remaining population of five families

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

One of the most spectacular canyons in the world.

Founded as a refugee camp, now a popular tourist spot.

The oldest arboretum on the Dalmatian coast doubles as the gardens of Kings Landing in "Game of Thrones."

Legend has it fairies gathered at the site of this medieval castle.

An ethereal glowing blue ocean cave in Croatia.

Drink and dine in a coral cave that's at least 120,000 years old.