A look at how long the nation's buildings and bridges will stand before the elements consume the steel and concrete, from New York City's skyscrapers to the Gateway Arch in St. Louis, and how once domesticated animals, like horses, will return to wild herds that roam America's grasslands. The episode also examines the ghost town of Rhyolite, Nevada, which was abandoned by people 90 years ago.

What will become of the encased treasures of the world, including the Mona Lisa painting or the Declaration of Independence, the Liberty Bell in Philadelphia, and the bridges and cable cars within San Fransisco?

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

What if every human being on earth disappeared? This isn't the story of how we might vanish--it is the story of what happens to the world we leave behind. In this episode, we'll see what happens to some of the bodies left behind. Most embalmed and buried, some mummified, others cryogenically frozen. Will any of them truly achieve immortality? Or will they be outlived by other memorials to mankind, like the Statue of Liberty or the Sistine Chapel. This is just part of a journey that will take us to the future of cities of Boston and Houston--as well as haunting sites already devoid of man. CC HD [TVPG]

An examination of Washington, DC and all it's monuments. Plus, a look at the fate of Los Angeles.

A look at the world of transportation and what will become of them after man disappears, including cars and trains, roadways, oil refineries, and Detroit. Also, the Alamo would be threatened, dogs would become wild again and long-horn cattle population will rise quickly.

An examination of what will become of the flora and fauna after the human demise, and how they may someday dominate the planet.

Things begin to spread and take on area such as plants and animals. Includes alligators being eaten alive by pythons in the Florida Everglades, and lakes and rivers could be choked off by oxygen-robbing plants. Also, Shanghai disappears from the weight of their skyscrapers, and the ocean takes over Miami Beach.

The subject for this episode features the fate of gambling centers in Las Vegas, which has become overrun by rats, celebrities wax figures will melt, and world famous hotels will become mere ruins. On the east coast, the oceans will destroy Atlantic City's casinos.

The fate of mankind's machinery of war: a sunken nuclear missile explodes, Pearl Harbor comes under renewed attacks, snow causes urban avalanches, and dairy cows are threatened. Featuring Denver, Hawaii, and a mysterious abandoned island near New York City.