Dr. Robert Ballard, a marine geologist and an archaeologist explore the Mediterranean, and discover two shipwrecks, the oldest ever found. The ships originated in Phoenicia, burdened with their cargo of wine. Whether their fate was sealed by storms, pirates, or worse will never be known.

Every year, a million visitors are drawn to the Salisbury Plain in southern England, to gaze upon a mysterious circle of stones. Stonehenge may be the best-known and most mysterious relic of prehistory. Now investigations inside and around Stonehenge have kicked off a dramatic new era of discovery and debate. Who built Stonehenge? What was its purpose? How did prehistoric people quarry, transport, sculpt, and erect the giant stones? A new generation...