To celebrate the season, botanic gardens and conservatories decorate their collections with lights, ribbons, and sculptures. From Washington's glowing grapes to Nevada's illuminated cacti, gardens feature their emblematic plants as well as the always-lovely poinsettia.
An early look at the new 10,000 square-foot-living roof on top of the new Brooklyn Botanic Garden visitor center, due to open on May 16, 2012. Plus: Photos of magnolias—in yellow and pinks—in bloom at the garden!
When visiting The National Mall, there are several interesting gardens to see that are easy to reach by public transportation: The United States Botanic Garden, the National Museum of the American Indian, and Hirshhorn Museum’s Sculpture Garden.