An 18th-century Nepali-style chorten built to subdue demons and evil spirits.

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

The largest and, arguably, most scenic fortress in Bhutan.

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

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

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

For over 300 years this little carving has been the city’s good luck charm.

Macabre astrological automaton clock dating to the late 1400s.

The solemn exterior conceals an opulent interior of this 17th century church.

An exquisite Baroque church in Vienna's old town.

A neo-Gothic church built to thank God for saving the Emperor of Austria from an assassination.

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

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

Liechtenstein's royal family calls this medieval alpine castle home.

A section of the desert with an array of unusual sandstone and limestone formations.

This beautifully restored fortification kept the city safe for centuries.

This lonely tomb is all that remains of a once-bustling ancient trade hub visited by Marco Polo.

Traditional architecture and ancient irrigation systems are on display in this gorgeous mountain village.

These gnarly desert trees produce the prized aromatic resin traded along the ancient incense trail.

Groups of prehistoric tombs that dot the mountains of northern Oman.

Some claim these desert ruins are from the legendary "Atlantis of the Sands."

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