Described as “landscape art under glass” when it opened in 1908, the conservatory, while being one of the largest in the world, also boasts revolutionary architecture. About 120,000 plants representing some 600 species occupy the conservatory’s two acres and indoor spaces. Twice a year, flower shows premiere to celebrate the beginning of winter and spring. Admission is free, but timed reservations are required.
Last updated October 1, 2025: As it turns out, some of the best things in life—or at least, some of the best things to do in Chicago—are free. There are plenty of free ways to spend your time over the next few weeks, including ice skating and a handful of winter markets. Plus, don't miss out on gallery shows, concerts and other recurring events that won't cost you a dime. Ready to save some money without sacrificing any fun? Check out more of the best free things to do in Chicago this month.
RECOMMENDED: The best cheap eats in Chicago

























