Space Shuttle Enterprise:

Enterprise is scheduled to take off Wednesday from Washington Dulles International Airport to New York's John F. Kennedy International Airport for display at the Intrepid Sea, Air & Space Museum in Manhattan.
Space Shuttle Discovery:

This week Discovery took her last flight, piggybacking a modified 747 from Kennedy Space Center to Washington D.C., where it will replace Enterprise as part of the Smithsonian’s National Air and Space Museum.
Space Shuttle Endeavour:

Endeavour will go to Los Angeles in mid-September to be displayed in the California Science Center.
Space Shuttle Atlantis:

In early 2013, Atlantis will take its place on permanent display at Florida's Kennedy Space Center.