BACK TO NATURE: If all human beings vanished, Manhattan would eventually revert to a forested island. Many skyscrapers would topple within decades, undermined by waterlogged foundations; stone buildings such as St. Patrick's Cathedral (at right in artist's rendering) would survive longer. Weeds and colonizing trees would take root in the cracked pavement, while raptors nested in the ruins and foxes roamed the streets. Image: KENN BROWN
TIMELINE: The Fall of New York City
VIDEO: The Earth Without Humans
This article was originally published with the title An Earth Without People.