![Constitution Gardens](https://www.washingtonian.com/wp-content/uploads/2012/04/ConstitutionGardens_Andropogon-BCJ.jpg)
Andropogon & Bohlin Cywinski Jackson. Photograph courtesy of the Trust for the National Mall.
![Constitution Gardens](https://www.washingtonian.com/migration/gallery/images/ConstitutionGardens_NBW-Murdoch.jpg)
Nelson Boyd Woltz Landscape Architect & Paul Murdoch Architects. Photograph courtesy of the Trust for the National Mall.
![Constitution Gardens](https://www.washingtonian.com/migration/gallery/images/ConstitutionGardens_OlinWM.jpg)
OLIN & Weiss/Manfredi. Photograph courtesy of the Trust for the National Mall.
![Constitution Gardens](https://www.washingtonian.com/migration/gallery/images/ConstitutionGardens_PWPRMA.jpg)
Rogers Marvel Architects & Peter Walker and Partners. Photograph courtesy of the Trust for the National Mall.
![Sylvan Theater](https://www.washingtonian.com/wp-content/uploads/2012/04/SylvanTheater_DSRHood.jpg)
Diller Scofidio Refro & Hood Design. Photograph courtesy of the Trust for the National Mall.
![Sylvan Theater](https://www.washingtonian.com/migration/gallery/images/SylvanTheater_MMALeader.jpg)
Michael Maltzan Architecture & Tom Leader Studio. Photograph courtesy of the Trust for the National Mall.
![Sylvan Theater](https://www.washingtonian.com/migration/gallery/images/SylvanTheater_OlinWM.jpg)
OLIN & Weiss/Manfredi. Photograph courtesy of the Trust for the National Mall.
![Sylvan Theater](https://www.washingtonian.com/wp-content/uploads/2012/04/Screen-Shot-2012-04-09-at-5.03.jpg)
Balmori Associates & Work Architecture Company. Photograph courtesy of the Trust for the National Mall.
![Union Square](https://www.washingtonian.com/wp-content/uploads/2012/04/UnionSquare_DSRHood.jpg)
Diller Scofidio Renfro & Hood Design. Photograph courtesy of the Trust for the National Mall.
![Union Square](https://www.washingtonian.com/migration/gallery/images/UnionSquare_GGNDBB.jpg)
Gustafson Guthrie Nichol & Davis Brody Bond. Photograph courtesy of the Trust for the National Mall.
![Union Square](https://www.washingtonian.com/migration/gallery/images/UnionSquare_PCFSmith-1.jpg)
Pei Cobb Freed & Partners & Workshop: Ken Smith Landscape Architect. Photograph courtesy of the Trust for the National Mall.
![Union Square](https://www.washingtonian.com/migration/gallery/images/UnionSquare_SnohettaAECOM.jpg)
Snohetta & AECOM. Photograph courtesy of the Trust for the National Mall.