There is high strangeness on the Archuleta Mesa in New Mexico - and it's little wonder, what with the whisperings of the presence of an underground alien base. A near neighbour to Roswell, could Area 51 have been an elaborate decoy to divert attention from this facility?

Patterns in UFO and UAP sightings across the world. Nearly 3.7 million people claim to have experienced something not of this Earth. Most are dismissed, ignored or silenced, but they cannot all be wrong. A team of multi-disciplined experts - believers and critics - investigates what Alien Corridors are and what they mean.