Top: Space Shuttle Atlantis undocks with the ISS for the last time, 19 July 2011.

Middle: Atlantis re-entry, photographed from the ISS, 21 July 2011.

Bottom: Atlantis touches down at KSC, ending the final chapter of the shuttle program.

(Top pic sourced from TwitPic, of all places.  We live in the future, guys. Middle photo NASA #ISS028-E-018218, bottom #201107210002HQ.)