America Unearthed (2012)

S2E3 Great Wall of Texas

For over a century, Rockwall, Texas has been haunted by an intriguing enigma. The town is said to sit atop a colossal rock wall, believed to have been built by an ancient civilization or possibly even giants. Is there any truth to these claims? Scott Wolter takes on the challenge of a significant excavation to uncover the origins of this mysterious wall and the debates that have arisen around it.