Unveil the mysteries of the remotest island on the face of the planet and the massive, remarkable stone heads that its first inhabitants left behind.

For centuries, explorers who visited the region in South America now known as Patagonia reported sighting giants. Now, some experts suggest that the upright-walking ground sloth could have been the source of the stories.

Investigate the origins of Stonehenge and the prehistoric world that surrounded it as the latest archaeological evidence reveals who built this great monument, and why.

The "red-rose" city of Petra was literally carved into the stone of Jordan's Shara Mountains, but its builders simply vanished. Could the Arabian site be still hiding precious treasure?

20,000 workers toiled to create India's astounding Taj Mahal, but what we see of it today is only a fraction of what was originally erected.

Aphrodisias, a magnificent city of marble forgotten until the mid-20th century, is widely recognized as one of the best-preserved sites in the Classical World.