National Museum of Natural History
10th Street and Constutution Avenue, Northwest
Washington DC, DC 20560
+1 202 633 1000 / +1 202 357 1729
This gallery is a wonderland for kids and adults alike - it has everything from dinosaur skeltons to diamonds and insect zoos. Kids are especially big fans of the Discovery Room, which encourages their participation in the form of touching and smelling various exhibits. The museum also boasts an IMAX theater, so be sure to check the schedule and see what's playing.