CAPE CANAVERAL, FL - MAY 16: In this handout provided by National Aeronautics and Space Administration (NASA), NASA space shuttle Endeavour lifts off from Launch Pad 39A at NASA's Kennedy Space Center May 16, 2011 in Cape Canaveral, Florida . After 20 years, 25 missions and more than 115 million miles in space, NASA space shuttle Endeavour is on its final flight to the International Space Station before being retired and donated to the California Science Center in Los Angeles. Capt. Mark E. Kelly, U.S. Rep. Gabrielle Giffords' (D-AZ) husband, will lead mission STS-134 as it delivers the Express Logistics Carrier-3 (ELC-3) and the Alpha Magnetic Spectrometer (AMS-2) to the International Space Station. (Photo by NASA via Getty Images)
Endeavour's journey in photos
We take a look at the historic journey of the Endeavour space shuttle.