(DC) (US Botanic Garden) Smithsonian Gardens and the United States Botanic Garden present “The Future of Orchids: Conservation and Collaboration” in the Kogod Courtyard of the Smithsonian American Art Museum and National Portrait Gallery. Enjoy over 350 orchids on display along with works by multimedia artist, Phaan Howng. Centered around the themes of the future of orchids and orchid conservation, ...