When: Tuesdays-Sundays, 10 a.m.-5 p.m. Continues through Nov. 26 2017
Slithering in at 48 feet long and weighing an estimated one-and-a-half tons, The Smithsonian shares an exhibit which features a full-scale model of Titanoboa, casts of the original fossil vertebrae, and clips from the Smithsonian Channel documentary; it delves into the discovery, reconstruction, and implications of this enormous reptile. Through Nov. 26; open Tue-Sat, 10 am-5 pm; Sun 11 am-5 pm.