Cool Zoo Lights Opening Night At The National Zoo References. 7—9, and every night beginning dec. Web zoolights is open nightly this weekend through sunday, dec.
Web zoolights is open nightly this weekend through sunday, dec. 24, 2012 come see the smithsonian's national zoo in a whole new light during zoolights—powered by pepco! You’re invited to visit zoo lights, then consider coming back.
