Summer breeze DC’s outdoor offerings are perfect for taking advantage of spring and summer sunshine. SUMMER PARKS & RECREATION The National Arboretum provides 446 acres of natural bliss, including gardens, trails and the historic National Capitol Columns , which once stood on the East Portico of the U.S. Capitol building. National Capitol Columns at the National Arboretum 18 | OFFICIAL VISITORS GUIDE
Source Visitor Guide 2017 2017: Page 18
