Visitors can walk along a festive mile-long trail through BREC's Baton Rouge Zoo through Dec. 31.
The zoo is illuminated with more than 50 bright display sculptures of animals and traditional holiday displays.
ZooLights is closed Christmas Eve and Christmas Day.
Admissions gates are open 5:30 p.m. to 8 p.m. and the zoo grounds close at 9 p.m.
Admission is $5 for adults and teens; $4 for seniors and $3 for ages 2-12.