Alien From Earth (Nov. 2008)

Do the remains of a tiny hobbit-like creature found on the island of Flores belong to a new human species? Watch now (50 mins.)

Ancient Refuge in the Holy Land (Nov. 2004)

Israel's remote Cave of Letters holds clues to a Jewish uprising against the Romans. Watch now (49 mins.)

The Bible's Buried Secrets (Nov. 2008)

An archeological detective story traces the origins of the Hebrew Bible. Watch now (100 mins.)

Building Pharaoh's Ship (Jan. 2010)

Can the legendary ship of an Egyptian queen sail again? Watch now (50 mins.)

Cracking the Maya Code (Apr. 2008)

The story behind the centuries-long decipherment of ancient Maya hieroglyphs. Watch now (49 mins.)

Darwin's Darkest Hour (Oct. 2009)

A two-hour drama on the crisis that forced Darwin to publish his theory of evolution. Watch now (50 mins.)

Ghosts of Machu Picchu (Feb. 2010)

Why did the Incas abandon their city in the clouds? Watch now (50 mins.)

Riddles of the Sphinx (Jan. 2010)

A marvel of ancient engineering is vanishing. Can it be saved? Watch now (50 mins.)

Secrets of the Parthenon (Jan. 2008)

How did the ancient Athenians build this near-flawless icon of Greece's golden age? Watch now (49 mins.)