The Prairie Grass Nature Museum is open for regular hours:

  • Saturdays and Sundays: Noon - 2 pm
  • Tuesdays 10 am - 1 pm
  • Wednesdays: Noon - 3 pm
  • Thursdays: 10 am - 1 pm
  • Closed Mondays and Fridays

Come visit this free museum, which is located in the Aquatic Center next to the Community Center! With its lifelike displays, it is designed to give visitors an experience of the outdoors while staying inside.

Hours of Operation

Weekdays 10 am - 1 pm Tu/Th; and noon - 3 pm Wed
Weekends noon-2 pm Sa/Su

Note: Due to programming, open hours are subject to change. Check us out on Facebook for the latest updates at

Ever see the blooming flowers of a prairie, elegant birds of a wetland, or mammals of a woodland? How about all in one room? This FREE museum, with its lifelike displays, is designed to give visitors an experience of the outdoors while staying inside.

Our live animals are here for you to view and learn about, as well. Monthly facts, crafts, and activities are available when you stop in.

We have Nature Discovery Packs available for loan to individuals and families to take and explore Hart's Woods. We are located in the Aquatic Center and Nature Museum building, and look forward to seeing you on your visit!

Prairie Grass Nature Museum Memberships

Become a member of the Prairie Grass Nature Museum for just $30/child for ages 10 and under. Memberships include:

  • Discounts on public programs and birthday parties
  • Quarterly e-newsletter
  • Creature Feature Tuesday afternoons
  • Monthly Guided Hikes and nature play (second Saturday of the month, 10:30 - 11:00 am)
  • Already a member with our Children's Neighborhood Museum? Just pay an extra $15 per child to get these benefits!

To learn more, contact Kathy Paczynski at 847-740-9823.

Nature Discovery PacksNature Discovery Packs

Discovery Packs are available to borrow during open museum hours. Visit the Nature Museum and we'll loan out a Nature Discovery Pack for your next nature walk - free of charge. It includes: magnifying glass, compass, binoculars, ruler, IL plant ID guide, IL wildlife ID guide, laminated activity sheets, and markers. It's the perfect companion to have out in the woods! If the museum is not open, contact Kathy Paczynski, Recreation Supervisor, at (847) 740-9823 to arrange to borrow a Nature Discovery Pack by picking it up at the Robert W. Rolek Community Center, 814 Hart Road, Round Lake, during registration hours.

Nature Programs

Birthday Party Information