Replay Video We're sorry, there seems to be an issue playing this video. Please refresh the page or try again in a moment. If you continue to have issues, please contact us here. WATCH Loading Video... Titan I Missile Silo 01:18 More From This Show Once at the forefront of America's nuclear defense system, the Larson Airbase's Titan I Missile silos now lie abandoned and flooded with groundwater. Similar Topics: Related Videos Channel Islands 04:14 Nature in Focus | 2022 Review 07:06 Swimming with Manatees 04:53 Nature in Focus | Hiking Sequoia National Park 05:26 Nature in Focus | Mermaids and Leopard Sharks 06:43 Nature in Focus | Welcome to Ostrichland 05:42 Nature in Focus | Uncovering Pinnacles National Park 05:52 Nature is Fly | Turtle Rehab in Jekyll Island 05:54 More Videos Nature in Focus | Explore New Mexico's Chaco Canyon 06:13 Nature is Fly | Shark Camp in Montauk 18:42 Vemork Power Plant 01:08 Psst! There's Gold in Space 02:06 Home of the Serengeti 01:11 Season 2 Sneak Peek 01:12 How Mummies are Made 01:29 Finding the Dead Sea Scrolls 01:22 Expedition Unknown | The mystery of the Dead Sea Scrolls 01:25 The Descent of Kukulkan 01:27 Terror and Glory: 1945 |Trailer 02:48 Clayton Phipps Makes History 01:49 Solo Ocean Row Record 02:19 EXPEDITION TO THE EDGE | Trailer 00:29 The Famed Ark of the Covenant 01:06 Alaska the Last Frontier | Season 10 Trailer 02:24 We Recommend Get to Know The Explorers Club's Black History Month Panelists Catch-22: How the Clean Energy Industry is Perpetuating Deep-Sea Mining Whale Shark Tagging Adventure in the Galapagos 7 Photos Launching Rockets Into the Aurora Borealis - and Other Stories About the Northern Lights Dinosaur Footprints from 200 Million Years Ago Discovered in Wales Here are All the Shows Coming to Discovery and discovery+ that You Don't Want to Miss