Mentioned by Uber Blog
10 Popular Outdoor Activities and Places in DC for Summer
"A living exhibition just a short 2-mile hop from the Capitol, the US National Arboretum houses astonishing gardens in the heart of DC, a bonsai museum, and blossoming cherry trees, among other gems. During the summer, you can follow the Azalea Blossom Watching and, if you’re lucky, get a chance to see the July daylilies bloom. When: Year-round, 8am-4:30pm"