Space Shuttle Atlantis, STS-135

David M. Ewalt
Space Shuttle Atlantis, STS-135

The Geek Picture of the Day completes its final flight.

Space Shuttle Atlantis lands at the Kennedy Space Center at Cape Canaveral, Fla. Thursday, July 21, 2011. The landing of Atlantis marks the end of NASA's 30 year space shuttle program.

(AP Photo/Pierre Du Charme, Pool)