No one is sure if the world's fourth-largest diamond had been found in a rubbish heap or was pawned by Napoleon's mom.

Ancient serpentine sacrifice holder that has stood the test of time.

Legend says if you stick your thumb in the hole and it gets wet, your wish will be granted.

This eatery re-creates dishes from the Ottoman Empire so you can dine like a sultan.

Known as the "Valley of the Moon," this Jordanian wadi is one of the most amazing desertscapes on Earth.

Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

An ancient capital city that dates back 3,000 years and harbors many surprises.

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

A marvel of Byzantine engineering under the streets of Istanbul.

Skyscraper powered by wind turbines attached between its towers.

This centuries-old tree tells an unusual tale of vegetation and fertility in the desert.

Scrap material from around Eritrea finds a new life at this outdoor market, where upcycling is a lifestyle.

Take a ride back in time with a steam locomotive trip through Eritrea’s mountainous countryside.

Eritrea's futuristic gas station is a nod to Italy's fascist history.

A stupa built to protect Bhutan from evil forces and help bring peace to the world.

The small cliffside monastery known as the Tiger's Nest is said to be the meditation site of an 8th-century Buddhist master.

This Himalayan airport provides one of the most difficult landings in the world.

This penis-focused monastery is dedicated to Buddhism's "Divine Madman."

This colorful overpass is one of Bhutan's longest suspension bridges.

The small sanctuaries lie just off the beaten path near one of Bhutan's most famous attractions.

Strange, gentle beasts resembling goat-cow hybrids roam within this patch of forest.

This garden is very fertile.

This giant Buddha statue has 125,000 smaller Buddhas hidden inside it.

Where giant ships go to die.