4 TERRIFYING SOUNDS CAN’T BE EXPLAINED | The Proof Is Out There

Check out these super strange sounds that will leave you shocked, in this The Proof Is Out There compilation. 0:00 - Unexplained San Diego Boom 4:50 - Spine Tingling Sound in Canadian Forest 9:47 - Mystery Ocean Bloop Echos near Chile 14:36 - Sonic Weapon Attacks US Ambassadors Watch all new episodes of The Proof Is Out There on Fridays at 10/9c, and stay up to date on all of your favorite The HISTORY Channel shows at #TheProofIsOutThere Subscribe for more from The Proof Is Out There and other great The HISTORY Channel shows: Watch more The Proof Is Out There on YouTube in this playlist: Check out exclusive HISTORY content: History Newsletter - Website - Facebook - Twitter - The Proof Is Out There investigates the world’s most m