(DC) (Smithsonian Natural History Museum) What do brighter nights mean for people and wildlife? Through over 100 photographs, nearly 250 objects, interactive experiences, tactile models, and a theater program, discover why dark nights matter, rekindle your connection with the night sky, and consider how much light at night is enough—for whom, for what purpose, and who gets to decide?

Open daily 10:00 am – 5:30 pm.