Thanks to Turo for sponsoring today's adventure! Head to https://turo.yt.link/DYJfJb5 to rent through Turo! All over the world, beaches look like paradise—but beneath the sand and surf lurk deadly creatures you’d never expect. From venomous stings to lethal strikes, Mark reveals six killers that can turn a dream vacation into your last. Which creature takes the number one spot?! Watch and find out—because knowing could save your life. Chapters: 00:00 - The Possibilities 00:28 - #6 Simple yet deadly 02:15 - #5 Sails the Seas 05:36 - #4 Stings 07:48 - #3 Spines 09:22 - #2 Almost Invisible 10:59 - #1 Feeling Blue