Fleet Museum
The Fleet Museum (or the Starfleet Museum), was a museum on Earth, originally run by the United Earth Starfleet, and later the Federation, in which historic vessels or notable objects were placed on display following their decommissioning. 

A.G. Robinson thought the escape pod he used to eject from NX-Alpha "should make a nice addition to the Starfleet Museum." ()

The legendary   was also stored in the museum following its withdrawal from active service in 2161. ()

A 2260s-era configured  starship was housed there in the 2360s. Jean-Luc Picard had visited this vessel sometime prior to 2369. ()

Following the retirement of the  USS Leondegrance, the ship was placed on permanent display in the Fleet Museum. ( commemorative placard)

The  was added to the Fleet Museum after it had been recovered in 2364. ( commemorative plaque)

Following the destruction of the , the crashed saucer was removed from Veridian III and eventually put on display in the Fleet Museum. ( commemorative plaque)

In an alternate timeline, in which the  returned to Earth in the late 2390s, Voyager landed and became a museum, located on the Presidio of San Francisco. ()

Appendices

Background information
In the first draft script of "Relics", the Fleet Museum was said to be "at Memory Alpha." This placing of the museum was omitted from the installment by the time the final draft of the script was issued. 

Originally, the Starfleet Museum was to have been depicted in the anti-time future portrayed in  series finale . It was visited by Jean-Luc Picard, Data, and Geordi La Forge. Among its collection of ships, the museum contained the , which the visiting threesome intended to commandeer in order to go on a mission Picard felt they needed to undertake. The group was given a guided tour of the facility by a tour guide who didn't know who they were. Just as the three visitors were about to leave, Admiral Riker and a team of security officers entered the museum, though the group ultimately departed on their mission anyway. (The Fifty-Year Mission: The Next 25 Years, p. 285)

See also
Starfleet Archive Museum
de:Flottenmuseum
Earth establishments
Starfleet