Amazing Places – Testing The World’s Longest Echo Technically, the Inchindown oil tanks in Invergordon, Scotland, have the world’s longest reverberation, but that makes a much worse title. We tested them with a loud noise and some very sensitive microphones. Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts How Do Blind/Deaf People Dream? The Truly Bizarre Border Between Canada and U.S.A Things That Science Has Recently Discovered… How big is infinity? The Deepest Hole in the World, And What We’ve Learned From It What Is This Mysterious Triangle Photographed in Australia?