The larger of two volcanic peaks rising out of the crystalline waters of the Caribbean.

This peculiar lake of pitch is so thick and viscous that one can walk on its surface.

Known as the Sistine Chapel of Egypt, this tomb houses some of the most well-preserved paintings in Egypt.

The largest known Ancient Egyptian obelisk.

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

An extraordinary mix of Phoenician, Roman, early Christian, and Byzantine ruins beautifully set overlooking the Mediterranean.

This dizzying span over the ancient Algerian city was once the highest suspension bridge in the world.

Classical ruins that remember ancient Rome's presence in Africa.

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

Charnel house at the foot of Mount Sinai.

Ferdinand Magellan dubbed the world's largest water village the "Venice of the East."

Kentucky's anomalous peninsula projecting into the Mississippi River, site of legendary earthquakes and local feuds.

You can cross from one country to another in a single hop on this little bridge.

Celebrated as a center of civilization, the remains of the ancient city have been nearly destroyed by greed, egoism, and war.

A battle between nature and architecture in the Cambodian jungle.

This modest plaza in Moneygall, Ireland has cashed in on its distant connection to the U.S. president.

The oldest pub in Ireland may also be the oldest surviving bar in the entire world.

More than 100 monumental tombs carved into rock are preserved at this ancient Nabataean site in the Arabian Desert.

An unfinished tomb carved into a giant boulder in the Arabian Desert.

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

Lions carved into the rockface adorn these two tombs built into the mountains of Dadan.

For centuries, Jeddah’s old town was a major trading port and a point of entry for Hajj pilgrims traveling by sea.

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

This archaeological site boasts temple ruins that date back 5,000 years to the Dilmun culture, and may have been described in the tale of Gilgamesh's search for immortality.