In the absence of humanity, the world’s most iconic cities from New York, to Orlando, to Rio de Janeiro are reclaimed by nature, as forests rise, animals roam free, and fire and flood undo centuries of construction.

In a world without humans, the deserts we once tamed rise to reclaim our greatest triumphs-from the glittering lights of Las Vegas to the soaring heights of Dubai's Burj Khalifa.

After humanity ceases to exist, the homes we built from suburban mansions and Miami condos to rural farmhouses face a relentless siege by fire, flood, wildlife, and time.

When humanity vanishes, the vast and fragile infrastructure hidden underground from subways and pipelines to one of the biggest coal seams in the United States begins to unravel.

From soaring skyscrapers like One World Trade Center to impenetrable vaults like Fort Knox, humanity’s strongest structures were engineered to defy disaster but in a world without people, even the mightiest begin to crack.

Hidden dangers once held at bay by humans erupt with catastrophic force, from everyday objects ready to explode to chemical plants and locust plagues, as nature and human legacy collide, these ticking time bombs threaten to send the world up in smoke.

What if every human on Earth disappeared? Discover what would happen to the world we have created, including our animals, buildings, landscape and bodies.

What would happen to Earth if all humans vanished? Outbreak examines the possibility of escaped animals, invasive vines and a deadly virus taking over control from humans.

What would happen if all humans vanished? Would LA's palm trees spark a huge inferno? What would become of New York? And which animals would take control from man?

If people disappeared from Earth, what would happen to metallic objects? Would bridges and buildings collapse? And what would become of the US's secret stash of gold?

In a world devoid of people, pythons begin to challenge alligators for control of the Everglades. Elsewhere, Shanghai sinks under the weight of its empty skyscrapers.

Discover what would happen to priceless artefacts such as the Mona Lisa, the Declaration of Independence and the Liberty Bell if humans were no longer around.

With no humans around, discover the fate of Las Vegas and Atlantic City, where the ocean would tear apart casinos and a new rat pack would take over.

Discover the fate of mankind's machinery of war in a world with no people, in which Pearl Harbor comes under renewed attacks, and snow causes urban avalanches.

What happens to the world when mankind stops travelling around it? Oil refineries keep pumping out fuel, but they're turning into ticking time bombs. In Texas, a life-giving river turns into a destroyer.

Water gives life, but it can also destroy. Rain will flood New Orleans, and when power goes out in the city's aquarium, it spells doom for thousands of animals.

In a world without humans, water turns from life-giver to destroyer flooding cities, collapsing dams, and triggering ancient forces long kept at bay.

When humanity disappears, the global retail machine collapses—malls rot, shipping lanes turn explosive, and ghostly grocery stores become battlefields for rodents, predators, and time.