Free events offered this weekend at the Smithsonian's Summer Solstice celebration (jazz, tours, nature hikes, workshops (quillwork, bookbinding), dance parties, marketplace.)
The museums are open until 11:00PM on Fri (19th)/Sat (20th) As always, Smithsonian museums are free....
The Smithsonian marks the first Saturday of summer—Solstice Saturday—by staying open late and hosting parties, programs, and performances.