Below each major city lies city upon city - each with its fascinating and unknown history. This series will reveal the technological marvels that allowed the construction of one city upon another - literally.

Follow the team from UFO Magazine as they open their files and investigate UFO cases around the world.

Ancient Aliens examines 75 million years of the most credible alien evidence here on Earth, from the age of the dinosaurs, to ancient Egypt, to the skies over the western desert in the present day US.

The team uncover a mysterious Nazi lair in the Argentinean jungle and search for evidence of a missing U-boat that may have transported Hitler out of Europe as Germany collapsed.

Breaking Mysterious follows a group of truth-seekers as they investigate the biggest mysteries, extraordinary phenomena and theories in America.

Lost Relic Hunters follows the work of one of the world’s most prolific collectors of antiquities, Hamilton White, and his long-time friend and business partner, Carl Cookson. The intrepid duo are back on the trail of some truly astonishing relics and historical pieces, which, if authenticated, will potentially change our understanding of some of the most iconic periods of British and European history.