Toxins and chemicals are unleashed in a world without people; deadly gases turn lakes and rivers into acid; without mankind's help, Niagara Falls has a surprising fate.
Mankind's relics meet very different fates; U.S. site called the "Crypt of Civilization"; crypts, safes and time capsules are exposed to new threats; preserving records; military dogs in the wild.
The fate of mankind's food; destructive forces turn supermarkets into breeding grounds for insects and rodents; some foods last forever; Da Vinci's artwork "The Last Supper" suffers due to an unusual paint ingredient.
Some apocalyptic fates of homes: Gas leaks turn suburbs into infernos, a hidden flaw topples a castle, and paint causes some high-end houses to explode in flames.
Holiday treasures disappear in a post-apocalyptic world; fireworks factories explode; Christmas tree farms grow out of control; real reindeer must adapt or die; vacation icons fall.
Massive waves of destruction threaten everything left behind by mankind in a post-apocalyptic world; U.S. cities face flooding as levees fail; famous paintings meet a tragic fate; a unique roof feature of the Sydney Opera House leads to its collapse.
Apocalyptic devastation unfolds in the skies; history's most important airplanes are grounded; Air Force One sustains an explosive malfunction; a swarm of locusts devastates the Midwest; a mysterious cargo on a satellite could change the universe.
The underground world undergoes devastating changes; geothermal power plants buckle under the strain of superheated steam; America's former nuclear military command center comes under attack; 400 million animals overrun a town.
Monuments and homes of the world's leaders come under attack; the White House, Monticello and Versailles have varying fates; the bodies of Mao Zedong and Ulysses S. Grant are shrouded in mystery.
Imagining the future of Chicago, Atlanta and London in a world devoid of people and being overtaken by the forces of nature.
Forces of nature threaten to destroy the landmarks and treasures of Washington, D.C., in a world without people; wilted palms set the stage for a massive inferno in Los Angeles.
New York City experiences a great crash after people disappear; the decay of skyscrapers and bridges reveals the breaking point of metals; exposing a fatal weakness in the Gateway Arch; breweries' untapped potential for disaster.
Earth is invaded by predatory forces; pythons that were formerly pets battle native alligators for domination in the Everglades; invasive plants strip oxygen from rivers and lakes; desert sandstorms invade Phoenix; Shanghai sinks.
The fate of entombed treasures, including the contents of a mysterious "doomsday vault," the "Mona Lisa" and the Declaration of Independence; Philadelphia's Liberty Bell cracks for good; San Francisco cable cars and bridges snap.
The possible post-apocalyptic future of U.S. gambling meccas; a new rat pack takes over, wax figures of celebrities melt and iconic hotels crumble in Las Vegas; the ocean tears apart Atlantic City hotels, but the boardwalk stands fast.
The fate of mankind's machinery of war; a sunken nuclear missile explodes; Pearl Harbor comes under new attacks; snow causes urban avalanches; dairy cows are threatened; events in Denver, Hawaii and a mysterious island near New York City.
The fate of cars, planes and roads; oil refineries turn into time bombs; harsh northern winters ravish the Motor City; the Alamo succumbs to a new invader; dogs rekindle their hunting instincts; long-horn cattle flourish.
Destructive waters overtake the world; rain floods New Orleans again; Seattle's Space Needle succumbs to corrosion; Dubai's space-age structures are done in by humidity.