watch 01:50 The Loop (TV) Do you like this video? Colosseum Colosseum is a resort in Las Vegas. It is themed on the Colosseum of Rome. Contents[show] History What's New, Scooby-Doo? Season one Mystery Inc. passed it on their way to the Newark Newark hotel. Appearances What's New, Scooby-Doo? 106. Riva Ras Regas Retrieved from "https://scoobydoo.fandom.com/wiki/Colosseum_Colosseum?oldid=315345" Categories: Hotels What's New, Scooby-Doo? season 1 locations Community content is available under CC-BY-SA unless otherwise noted.