The First Presidency of The Church of Jesus Christ of Latter-day Saints has announced the site for the Philadelphia Pennsylvania Temple. The specific location is 1739 Vine Street in downtown Philadelphia.
The site is adjacent to the Vine Street Expressway and neighboring Courts Building and situated diagonally across the street from Logan Square, a prominent Philadelphia landmark.
The Philadelphia Pennsylvania Temple was announced by Church President Thomas S. Monson in October 2008. Currently, there are 130 operating temples in the world, with another 21 that have been announced or are under construction.
For more information on temples, see: http://newsroom.lds.org/ldsnewsroom/eng/background-information/temples