• Existing View of the Haupt Garden
  • View of Haupt Garden in Smithsonian's Preferred Alternative FSmithsonian's Preferred Alternative F
  • Renwick Gates + Street Edge TreesSmithsonian's Preferred Alternative F
  • Small-Scale GardensSmithsonian's Preferred Alternative F
  • Informal Gathering Smithsonian's Preferred Alternative F
  • Basement Restoration for SI Preferred Alternative F
  • Proposed Castle Basement in Smithsonian's Preferred Alternative F
  • Site Plan
  • South Mall Campus Master Plan: View from Mezzanine of New Sculpture Gallery at Hirshhorn Museum
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Smithsonian Institution

Welcome to the project website for the Smithsonian Institution South Mall Campus Master Plan NEPA and Section 106 processes.

Here you can learn more about the proposed South Mall Campus Master Plan NEPA and Section 106 processes and the alternatives under consideration. You can also learn more about the National Environmental Policy Act and Section 106 process.