An ancient stone fortress considered by many to be the eighth wonder of the world.

This gem-encrusted temple is said to contain some of the Buddha's hair which can make the deaf hear and the blind see.

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

Palace where the nearly un-killable Rasputin was murdered.

Despite a fraught and controversial history this African island holds a powerful monument to the tragedy of the slave trade.

The final stronghold of a king whose feet never touched the ground.

This striking art museum holds an amazing series of curiosity cabinets.

A tribute to the twin ideals of religion and patriotism, built by a Catholic priest from rocks, glass, and innumerable found items.

The best place to send your postcards home from Antarctica.

An abandoned whaling station on an active volcano offers hot springs in Antarctica, surrounded by ruined giants of industry.

Enormous statue of the Emperor of the Mongols.

This massive glowering Lenin head gazes out over eastern Siberia.

An underground city of salt.

After the famous composer died in Paris, his sister snuck his heart out of the country to honor his wish that it be buried in their native country.

A former Latvian headquarters of the brutal KGB secret police is now open as a grim reminder of their atrocities.

Secret North Korean passage discovered below the world's most dangerous border.

Ancient Manuscripts showcase the civilization of West Africans during the Middle Ages.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

Hundreds of Buddhas in a re-discovered Indonesian temple.

Bizarre living fossil only grows in a small chunk of the Namib Desert.

The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

Africa's Venice on stilts.

Marvel of green building techniques that sings with the wind.