Space shuttle flown to museum
19 September 2012 Last updated at 18:08 BST
The space shuttle Endeavour has hitched a lift on an aeroplane to fly across america.
It's the Nasa space shuttle's final flight - not into space but to a museum.
The retired shuttle was strapped onto a jumbo jet that took off from the Kennedy Space Centre in Florida.
It's heading for Los Angeles, where next month it'll go on display in the California Science Centre for space fans to enjoy!