For centuries, archaeologists have tried to unravel the mysteries of how and why certain incredible structures like the Great Pyramid at Giza, the staircase at Loretto Chapel, and Coral Castle were built.

Andrew Collins, David Whitehead, Dr. Travis Taylor, George Noory, Hugh Newman, Janan Boehme, Michael Dennin, Michio Kaku, R.L. Poole, Richard Lindsley, Steve Burrows, Tok Thompson, Walter Magnuson