Tim Bechtel

Secrets of the Underground 2017–

Using cutting-edge technologies such as ground penetrating radar (GPR), LIDAR (Light Detection and Ranging), and 3-D imaging, scientists research fascinating underworlds of secret tunnel networks, ancient structures, and bizarre geological occurrences that offer glimpses into our history.

Category: Documentary

Stars: Rob Nelson, Stefan Burns, Tim Bechtel

6.5 IMDB Rating 621 Views