Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

God's Saharan sandbox of wrath.

A fortified city, home to a remaining population of five families

One of the most spectacular canyons in the world.

No one is sure if the world's fourth-largest diamond had been found in a rubbish heap or was pawned by Napoleon's mom.

Ancient serpentine sacrifice holder that has stood the test of time.

A marvel of Byzantine engineering under the streets of Istanbul.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

5,000 skulls in memorial to those killed by the Khmer Rouge.

A battle between nature and architecture in the Cambodian jungle.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

The oldest continual pilgrimage site in Britain was supposedly created by a gruesome beheading.

Perhaps the only prehistoric monument with its very own public bus stop.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

A circle stone within a stone circle.

Famously misunderstood wonder of the ancient world

An extraordinary library and archive dedicated to the history of the Arctic and Antarctic poles.

The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

A complicated contraption for telling time by the moon.

Vast fan-shaped British cemetery honouring American servicemen lost in World War II.

This memorial to World War II's fallen airmen shows us the movements of the stars that once guided them.

This network of narrow, medieval passages has the most delightful name.

Huge winged monument in the United Kingdom.

These upturned herring boats make nifty storage sheds for fishing goods.