Now Playing
What Caused First-of-Its-Kind Great Lakes Meteotsunami 00:50 Next Up
Caribbean Volcano Rocked by Strongest Explosion Yet 01:06
Caught on Camera: Tree Shattered by Sudden Strike 00:34
Watch: Sliding Doors vs. 60 MPH Wind Gusts 00:48
‘Lost Golden City’ Discovered 01:04
Toxic Outbreaks Threaten More Than Just Water 00:54
The Species Most Endangered by a Warming World 00:54
Watch: Iconic Highway Rebuilt After Being Ruined by Landslide 00:36
Adorably Unruly Cubs Cause Traffic Jam 00:42
Glacier on the Move in National Park 00:49
Caribbean Volcano Could Explosively Erupt for Weeks 00:45
Polluted Lake Choked With Plastic, Sewage & Heavy Metals 00:48
Lake Mead Expected to Hit Lowest Point Ever 00:52
Aerial View of 'Underwater Waterfall' Is Revealing 00:37
Saga of Abandoned Ship Finally Comes to an End 00:43
Historic Plantation Burns to the Ground 00:49
Vertigo-Inducing Bridge Now a Tourist Hotspot 00:51
Creative Way to Rescue Stranded Motorist 00:35
AZ Wildfire Torches Buildings, Prompts Evacuations 00:33
Watch: Hilarious Theft Captured on Live TV 00:46
'Ghost Forests' Taking Over Atlantic Coastline 00:40
Watch Huge Blocks of Ice Barge Ashore 00:39
'Floating City' Appears in Unregulated Patch of Ocean 00:50
French Wineries Take Extreme Measures to Protect Grapes 00:51
Buddhist Monk Rescued From Flooded Thailand Cave 00:34