Great Wall of Texas

America Unearthed – Season 2

Since the 1800s, the City of Rockwall, Texas has had a mystery it's been trying to solve. Allegedly, the town was built on a massive rock wall that was constructed by some ancient civilization...or even giants. Could it be true? Scott Wolter conducts a massive excavation of the wall to figure out who--or what--created this wall and the controversy surrounding it.