WATCH ONLINE, MOBILE, FREEVIEW 64, SKY 164, SKY GLASS / SKY STREAM 168, FREESAT 162 AND VIRGIN 199
Although it's not as famous as the Bermuda Triangle, the Alaska Triangle has more unsolved missing-person cases than any other location on Earth -- more than 20,000 people have vanished in the area in the last 50 years.
