Have you ever been curious about mushrooms but don’t know where to start? Hike with a naturalist to pick up a few mushroom ID tips and enjoy the colorful variety of fungus. Natural Discoveries is an award-based series of free nature programs designed for ages seven to adult. Themed hikes are held on Sundays, and hikes that explore seasonal happenings are offered on Wednesdays. Please visit the park district's website for a brochure listing complete hike details and dates. No registration is required. Free.