The North Tower of the World Trade Center collapses on Sept. 11, 2001 Det. Greg Semendinger/NYPD/AP hide caption

125 Swimming Pools. Satellite collections from Google Earth. Courtesy of Jenny Odell hide caption

KFC astrovertisement seen from above in Google Maps. Courtesy of Google hide caption

Caren Alpert's images of food magnified with an electron microscope. Courtesy of Caren Alpert hide caption

Astronaut's Guide To Life In Space NASA hide caption

Onlookers crowd around their cars in the NASA causeway as they watch the US Space Shuttle Atlantis blast off into orbit from launch pad 39-B at Kennedy Space Center in the early morning hours of July 12 2001. Brian Cleary/AFP/Getty Images hide caption

Turning off televisions Courtesy of Stephan Tillmans hide caption

Liu Bolin's Invisible Man series. Liu Bolin/Eli Klein Fine Art Gallery hide caption