High-powered Lasers Have Uncovered A Military Facility Hidden Just Below The Surface Of Alcatraz

Image: Pascale BEROUJON/Gamma-Rapho via Getty Images

Timothy de Smet and his team of archaeologists from Binghamton University are using hi-tech equipment on a fascinating project. Using non-destructive methods, they’re exploring the ground beneath the former exercise yard at the notorious Alcatraz Federal Penitentiary. And what their investigations ultimately reveal comes as a complete surprise…