Various activities held throughout the holiday season including light parade and lighting ceremony, entertainment, demonstrations and giveaways.

The festival kicks off at 6 p.m. on Nov. 15 in Pere Marquette park. Featuring live music, fireworks and the ceremonial lighting of the downtown lights. The light festival features thousands of lights and holiday displays.

Enjoy indoor and outdoor lighted displays, designer wreaths and trees, a replica English country train platform, and the Model Railroad Garden in seasonal decor.

Features more than one million twinkling lights illuminating the zoo's walkways. Enjoy animated light displays, laser light shows, ice-carving demonstrations, live musical and dance performances, costumed characters, and animal Zoo Chats with keepers.

Historic Holidays at Clarke House Museum  | Chicago

Experience a traditional mid-nineteenth century Christmas at Clarke House Museum this holiday season. Discover the simple joys of homemade decorations, including pine boughs and a tabletop Christmas tree, which adorned the 1850s Chicago home. Learn about gifts exchanged by families like the Clarkes and pick up a period recipe to try.

170,000 square feet of holiday fun features indoor ice skating, entertainment, rides and inflatable slides. There are also thousands of glistening lights, plush holiday décor, and holiday trees. Plus, special family fireworks on New Year's Eve at 7 p.m.

See model trains loop around a holiday-themed track. Santa has his own car. Closed Christmas Eve and Christmas.

A guided glimpse into the world of outdoor play will depend on the day. Possibilities include snowman and snow fort building with natural materials or garden scavenger hunt for natural objects

Search for gnomes in the Children's Garden using your best "I Spy" skills. Checklist provided.

Drop in anytime between 11 a.m. - 4 p.m. at the conservatory's Elizabeth Morse Genius Children's Garden to plant an imaginary garden, build a tropical habitat, help water the plants, or read a book under the tropical canopy. Runs through entire 2012.

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.

Holly Days  | Chicago

Visit the illustrated-book exhibition Picturing Poetr, then stop by the studio to create illustrations of your own poems. Enjoy an interactive family gallery walk at 1:30 p.m. On December 27 only, meet the Art Institute's mascot Artie the lion.

See a toy so amazing, so unbelievable, it has the power to transform into anything you want it to be. Enter a world where imagination rules, and ordinary becomes extraordinary.

Build a snow fort, throw snowballs, dress up a snowman and ice skate - all inside.
The brand new "ice" rink has more space to skate in your socks.

A new traveling exhibit created by Children's Museum of Pittsburgh that links familiar childhood objects to a process of manufacturing that combines people, ideas and technology. Inspired by the factory tour segments from Mister Rogers' Neighborhood, the exhibit offers hands-on activities using real factory tools and machines to create objects including crayons, a baseball bat and a matchbox car, just to name a few.

Kids enter artist Gino Severini's interpretation of trains by role-playing engineer, passenger or conductor in a child-size train and look for objects in an eight-foot wide "hidden pictures" mural of artist Don Stewart's "Steam Train."  Plus, enjoy specially designed wooden train tables and a huge new interactive crane.