It is mankinds eternal question: are we alone in the universe? Adventurer and explorer Josh Gates set off on a 50,000-mile, multi-continent quest to find the answer in Travel Channels spellbinding four-week special event, Expedition Unknown: Hunt for Extraterrestrials,

Gates out-of-this-world mission led him on an epic journey across North America, South America, Africa and Europe, searching for evidence of life beyond our planet and the truth behind longstanding extraterrestrial legends.

Watch the series every Wednesday Night thru October on Travel Channel.

http://www.travelchannel.com/shows/expedition-unknown-hunt-for-extra-terrestrials