Digging for the Truth

500 years before the Inca, a remarkable band of warriors called the Chachapoya built the greatest stone monument in the Americas. Amazingly, it's three times the size of Egypt's largest pyramid. Yet their civilization has almost vanished without a trace.

The mystery of the H.L. Hunley, a 40-foot submarine with a primitive torpedo launched by the Confederate Army that destroyed a mighty Union warship but never made it home.

Carved from single boulders of basalt, the giant stone heads of the Olmec have mystified archaeologists for more than 150 years. Explore how a primitive civilization moved mountains to make these monumental works of art.

The wicked, cruel deeds of Barbary Pirates are little known today, despite the fact that they terrorized the seas and shores of Europe for over 400 years. Includes a special expedition to find the first-ever bona fide Barbary pirate vessel under the sea.

Go on the most extraordinary treasure hunt ever! From Jerusalem to Rome, North Africa to Turkey, and finally back to Israel, follow a trail of clues to uncover the final hiding place of the most priceless treasures of the Jewish faith.

Host Hunter Ellis continues our extraordinary treasure hunt as we venture on a world-exclusive search for the most valuable golden artifacts of Jerusalem's Temple--lost since the Romans looted them almost 2000 years ago.

Travel deep into the heart of the Cambodian jungle to discover a magnificent stone temple that was built on a scale unparalleled in human history - and suddenly abandoned.

At the edge of Europe, scientists have discovered evidence that the Neanderthals hung on for thousands of years longer than previously believed. Join us as we reveal the final story of their last years on earth.