A 19th-century fortress and collection of artifacts offer a tour of Saudi history.

Village of slate houses, built on a white marble outcrop.

Within the Saudi Arabian desert lies a 2,000-year-old ghost town made of stone and mud.

An annual two-week festival near the city of Riyadh when Saudis let their hair down.

On any given day this sprawling market houses literally tons of government-regulated gold, gems, and precious metals.

This enormous sports car themed amusement park is home to the world’s fastest roller coaster.

A preposterously luxurious hotel with gold-plated iPads, Rolls Royce chauffeurs, and a staff that trains by watching "Downton Abbey."

Whitewashed mosque contains the world's largest carpet.

Jumping-off point for a climb up Mt. Everest is the most dangerous airport in the world.

One of the largest Buddhist stupas in the world keeps an eye out in every direction.

Last stop before the top of the highest peak in the world.

Sacred Buddhist home of some spiritual monkeys.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

Baroque celebration of the end of the Great Plague of Vienna.

Lonely minaret stump of a destroyed city.

Nicknamed Kazakhstan's Grand Canyon, this natural wonder lies east of Almaty near the Chinese border.

The lovely lake that was naturally dammed, then naturally destroyed, then unnaturally saved.

This Soviet-era athletic and recreation facility is the highest ice skating rink in the world.

Where the father of Persian poetry is laid to rest.

Fantastic views and thousands of love locks.

Christ's blood preserved in a Belgian town.

A little sculpture with a large wardrobe.

America's post-nuclear-attack chambers of Congress.

A spiritual vortex among the red rocks in Sedona.