For those of you who are a part of the Uncharted 3 Subway Experience you may want to go try out the new Map, which has now become available to play.
Naughty Dog Community Moderator EvangM has confirmed that the Map is out now and Available for play and download.
The Map is an updated version of The Museum, which was one of Uncharted 2′s DLC maps. Hope you all enjoy the new map!!