Book your trip now for one of the 7 free nights at Lincoln Park Zoo’s ZooLights this month!

The holiday event at the zoo will be free on a number of Mondays and Tuesdays throughout December, so you’ll get several chances to save yourself from having to spend $5 on your ticket.

The additional Free Nights in December include the Monday the 6th, Tuesday the 7th, Tuesday the 14th, Monday the 20th, Tuesday the 21st, Monday the 27th and Tuesday the 28th.

You can get more info and book your free tickets at EventBrite.com.