With small solar lights to guide their way, hikers, skiers and snowshoers can traverse the 1.3-mile fitness trail at Old School Forest Preserve in Libertyville or the 1.65-mile hilly section of the Millennium Trail adjacent to the winter Sports Area at Lakewood Forest Preserve in Wauconda. Starting Sunday, Nov. 4, the trails and adjacent parking lots will remain open until 9 .m. daily until March 9.

Feature the black bear and its adaptations for survival in the forest. Crawl into the bear's den, compare your senses to that of the black bear, feel his fur, come face to face with a black bear mount and more.

Families drop in for nature-related crafts and educational activities.

Celebrate President's Day with music, Presidential trivia, crafts and appearances by a modern Mary Todd and President Abe Lincoln.

Dr. Megan Foley-Nicpon leads a discussion on twice-exceptional students, or gifted students with co-existing disabilities. Dr. Foley-Nicpon discusses best practices for accommodating twice-exceptional students' needs, which includes identifying and developing talent domains.

Exhibit includes numerous artifacts, photographs and other documentary items that tell the story of Chicago's iconic candy makers, including Snickers, Lemonheads, Butterfingers and Cracker Jack.

Learn about local hawks, falcons, eagles, and owls. The program includes bird artifacts that visitors can see and touch.

Kids wear pajamas and bring a stuffed friend to a special evening story time program.

Interactive learning centers include a barn slide, apple orchard and chicken coop. Maggie, a life-sized fiberglass milking cow sponsored by Golden Oaks Farm in Wauconda, will be the focus of the new exhibit. Maggie is over five feet tall and features a working udder that recirculates the water that children "milk."