America Unearthed: Ancient Ruins Buried Beneath a Texas Town (S2, E3) | Full Episode | History

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 rock wall that was constructed by some ancient civilization or even giants, in Season 2, Episode 3, "Great Wall of Texas". #AmericaUnearthed