Gavin Weightman

Channel 4 Equinox documentary about the mystery of crop circles, broadcast shortly before Dave Chorley and Doug Bower revealed themselves to have started the craze.

Derek Hayes and David Flora explore unique areas and stories of weird phenomena of the "Borrego Triangle," an area full of anomalous phenomena including cryptids, ghosts, disappearances, and UFOs.

Archaeologists generally regard Mesopotamia as "the beginning of civilization" but shocking new evidence that defies comprehension clearly suggests that highly advanced civilizations existed in pre-history. With new advanced technology, archaeologists are now able to image undiscovered worlds before our own from above. The truth to mankind's true origins is being rapidly revealed to be very different than what we've been told.

What are they? What do they seek? When all the lights go out, they will wander. And you will never see them.

A look at the state of the global environment including visionary and practical solutions for restoring the planet's ecosystems. Featuring ongoing dialogues of experts from all over the world, including former Soviet Prime Minister Mikhail Gorbachev, renowned scientist Stephen Hawking, former head of the CIA R. James Woolse

For centuries, Stonehenge has been cloaked in mystery. Who built it? How did they do it? Why did they do it and what is its significance? Now, a team of archaeologists takes a high-tech approach to find out, and their discoveries will exceed all expectations. Learn the full story of the world's most investigated prehistoric site, featuring a forgotten people who were meticulous planners, profound believers and true warriors. It's a 10,000-year-old tale, pieced together by state-of-the-art survey equipment and compelling archaeological evidence.

Explore the mysterious Amazon through the amazing IMAX experience. Amazon celebrates the beauty, vitality and wonder of the rapidly disappearing rain forest.

USOs are repeatedly seen in our oceans, lakes and seas. The military has documented several undersea encounters and are baffled by their capability to speed through the water at unfathomable speeds as if they are defying our current laws of physics, prompting the same bewilderment as with UFOs. The real concern is who are they and what do they want on planet Earth?