WHO’s out after dark at the Peoria Zoo? Come to Zoo After Dark at the Peoria Zoo to find out. Meet animals up close, learn about night houses and nocturnal animals. Bring your family or invite your friends to come along for one of these special tours on Friday, May 27th . Zoo After Dark tours begin at 7:00 p.m. The cost of the tours is $15 per person and includes Zoo admission. For questions or to register, call the Peoria Zoo at (309) 686-3364 or check our website at www.peoriazoo.org.