Model trains will wind their way through a miniature village set in a field of poinsettias. The village is made entirely of natural materials and features a variety of Chicago-style homes and famous buildings such as the neighborhood bungalow, Chicago Theatre and Chicago Water Tower Place. Nov. 26-Jan. 8.

Docents help children and others learn through interactive displays and games in the showrooms. New topics every month. September: "Traveling Seeds"; October: "Cone Bearing Plants"; November: "Fruits, The Seasonal Food Harvest"; December: "Eggs and the Conservatory Critters"; January: "Urban Wildlife"; February: "Chocolate"; March topic: "Survival in the Jungle"; April: "Carnivorous Plants"; May: "Water Works."

Visitors can walk inside the two-story silo and turn the crank of a silage machine, watching "corn plants" delivered to the top of the silo. Plus, learn about the history of silos and silage, build miniature silos with building blocks simulating wood, brick and metal and much more.

Build a snowman out of biodegradable and natural items to win. Fill out an entry form at the main office.

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.

Guided nature walk through the hushed winter woods, followed by a snack and hot cocoa. Dress warmly for the weather. Registration required.

Enjoy a guided nature walk through the winter woods, followed by a tasty snack and hot cocoa by a campfire. Registration required. Dress to be outdoors the whole time.

Get a glimpse into what happens at Brookfield Zoo at night. Enjoy a pizza dinner and craft activities, then go on a night hike that highlights zoo residents and nocturnal Illinois wildlife. The next morning, wake up to a hot breakfast buffet, a morning hike and a visit to an animal exhibit.

20,000 twinkling lights and hand-decorated trees transform Cosley Zoo into a fairy tale winter wonderland.Visit the animals and purchase a cup of hot chocolate, your tree, wreath, and holiday gifts.

A lightly narrated 2-hour tour showcasing the best of Chicago's holiday lights and sights. Passengers see views of the Magnificent Mile, State Street & Macy's Holiday Windows, the John Hancock Plaza tree, Navy Pier's Winter Wonderfest, Buckingham Fountain and have time to hop off at the Zoo Lights at Lincoln Park Zoo and the Christkindlmarket.