Authorities all over the world say UFOs are real, but what are they, and are they a threat? This series examines the best and latest evidence caught on camera.

This 3-part documentary series will delve into the mysteries, myths, and arcane history of the CELTS, and reveal brand new information about the ancient civilization.

Mysterious frozen lakes filled with bones, mummified bodies hanging from inside a glacier, and a 30,000-year-old virus frozen in ice brought back to life in a laboratory. In an all…