Admission to the Milwaukee County Zoo is free on Saturday, March 5.
It's the third Family Free Day of the year. Admission is typically $11.75 for adults and $8.75 for children.
The zoo will be open from 9 a.m. to 4:30 p.m.
If you can't make it this time, the remaining free days are on October 8, November 5 and December 3.