These eight mummies are the best-preserved human remains ever discovered in North America.

In a country where driving from one town to another is literally impossible, this small stretch of gravel is a remarkable feat.

A comprehensive museum dedicated to Africa's oldest modern republic.

After surviving decades of medical testing and civil wars, these chimpanzees were abandoned on their own islands.

A remote lodge nestled among some of the world's best-preserved rainforests.

This famed Silk Road oasis was one of the largest cities in the world before it was destroyed by a Mongol horde.

A memorial to the thousands of Turkmen soldiers and civilians who died in a bloody 1881 battle.

This huge green space packed with activities will make you forget you're in the middle of the Ecuadorian capital.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

A Christian monastery stands on what was once a holy Incan temple.

Quito's historic, main square dates back to the 16th century.

The original resting place of Queen Cleopatra and Mark Antony's only daughter.

This massive monument towers over the city as a constant reminder of the lives lost during Algeria's hard-won war for independence.

One of Western Africa's oldest mosques, this Timbuktu icon has stood for nearly 700 years.

The home of Mahatma Gandhi during part of the 21 years he spent living in South Africa is now a guest house.

The world's only facility where orphaned mountain gorillas are cared for.

An ornate tomb pays tribute to one of the most influential and cherished military leaders in Vietnam's history.

This historic spot was where America's involvement in the Vietnam War officially came to an end.

One of Vietnam's only mosques pays tribute to the country's Muslim minority.

This stately mansion, built in 1787 by America's first Secretary of the Navy, is rumored to be one of the most haunted buildings in Washington, DC.