Pinterest Facebook Twitter Email Yakutsk Permafrost Tunnel 01:25 Josh walks through a tunnel in Siberia that goes deep into the permafrost. From: Josh Gates, Expedition Unknown and Cloning the Woolly Mammoth Related Videos Mystery Tunnels 01:42 Shanghai Tunnels 42:30 Tiny Tunnels 00:58 Sacramento Tunnels 42:31 The Illuminati Tunnels 02:50 Shanghai Tunnels Encounters 02:43 Recap: Shanghai Tunnels 04:57 Mob Underground Tunnels 03:22 More Videos Nopeming Sanatorium Tunnel 01:26 Portland's Shanghai Tunnels 02:28 Poland's Nazi Tunnels 01:54 Quarry Mushroom Tunnels 02:15 Recap: Sacramento Tunnels 03:44 Aaron's Vlog: Castle's Tunnels 01:04 Lockdown in the Tunnels 02:37 The iFly Wind Tunnel 02:19 Aaron's Vlog: Tunnel Search 00:38 Explore the Shanghai Tunnels 03:09 A Haunted Maze of Tunnels 01:41 Death Tunnel at Waverly Hills 01:24 We Recommend Unknown Caribbean Islands Best of Josh Gates on Expedition Unknown 5 Videos Josh Gates Returns With New Episodes Of Expedition Unknown 5 Moments from Josh Gates' Greatest 'Expedition Unknown' Treasure Hunts Expedition Unknown Expedition Unknown: Specials