With more than 300 UFO sightings each year, the townspeople living within the Falkirk Triangle cannot help but feel uneasy about the strange occurrences. From reports of abduction and missing persons to unexplained interference on airport radar, the cases are plentiful.

Recent records show California has the most UFO sightings of any US state. A team of multi-disciplined experts - believers and critics - investigates what these Alien Corridors are and what they mean. From Joshua Tree, where people have reported more sightings per capita, to Mount Shasta, whose residents experience the longest visitations, lasting an average of 51 minutes.