Ancient Desert Death Trap

Archaeologists investigate dozens of strange Stone Age megastructures in the Arabian desert. They're so big that their true form is visible only from the air, yet these giant structures were built by a mysterious people 9000 years ago.

NOVA is the most popular primetime science series on American television, demystifying the scientific and technological concepts that shape and define our lives, our planet, and our universe. NOVA brings you stories from the frontlines of science and engineering, answering the big questions of today and tomorrow, from how our ancestors lived, to whether parallel universes exist, to how technology will transform our lives.