Annual fair features carnival, livestock judging, arts and crafts, horse shows, truck and tractor pulls, demolition derby, farm zoo, exhibits, kids' entertainment, live music and food stands. Visit the website for a complete schedule of events.

Featuring food, games, carnival, athletic competitions and entertainment. Visit website for schedule of events.

Explore the Arboretum's nine miles of scenic roads by bicycle. Bring your own or rent regular bicycles, tandems, electric bikes, burley strollers, wagons and more.

See gardens, woodlands, wetlands and prairies in a tram tour. 60-minute and 30-minute tours explain the rich Arboretum history, and describe the trees and plants you'll see. There's also an opportunity to see lovely wildlife in a native habitat.

The new Railway Garden, a G-gauge model railway running through a 2.5 acre site, opens April 30. Visitors enter through a 1920s-era railway depot to see trains running through a garden of miniature plants, water features and a variety of landscapes. May 1 through October.

An evening hike in search of the white-tail deer. Along the way, learn interesting facts while looking for their tracks, trails, and other signs.

Activities nurture every child's curiosity about natural science. Class meets for four weeks at Lincoln Marsh and and four weeks at the Northside Park Girl Scout Cabin.

Walk along a winding trail and view gigantic animatronic bugs, plus more than 150 stationary insects, which will be part of six themed scenes. Guests can also see live creepy crawlies in Harry's Big Adventure: My Bug World! The interactive habitats feature several ecosystems to show how insects impact their surroundings, the environment, and human lives. Activities, including bug cooking demonstrations, cockroach races, a spider web climber, and other bug-themed entertainment is planned for guests throughout the summer.

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.

Take a behind-the-scenes glimpse at the world of magic and its historic roots in Chicago. Features a multimedia object theater experience, artifact display and live performances. Discover the tricks of the trade and witness Chicago's magical past reappear before your very eyes.

From Fannie May to Brach's Candies, Tootsie Rolls, Frango Mints, Lemonheads and more, Chicago has a tasty history of making candy loved the world over. Learn about Chicago's sweet history and how candy and the City of Chicago grew up together. May 11-Sept. 18.

A special exhibit on the history of Girl Scouting, with special focus on Oak Park, River Forest, and Forest Park. Celebrate the 100th anniversary of the founding of the Girl Scouts of the USA.

Visitors become space adventurers and set off on a journey to discover the Universe in a way never done before. Travel a billion light-years and back, fly through space, orbit the Moon, zoom into a canyon on Mars, and soar through the cosmic web where a million galaxies shower down. The experience was created utilizing real telescopic data and the best scientific imagery.

Multimedia displays and digital interactives show audiences how galaxies, stars, planets were created as the Universe grew. A projection showcases the enormity of regions farther than our Solar System, taking spectators billions of light-years from Earth to the edge of the cosmos, while touch screen technology allows them to investigate the diverse and beautiful objects of deep space.

Exhibit examines the ancestry and evolution of numerous species, ranging from huge to tiny, from speedy to sloth-like, and displays animals with oversized claws, fangs, snouts, and horns. Highlights include taxidermy specimens, an entire skeleton of a giant hoofed plant-eater, a life-size model of the largest land mammal that ever lived, one of the oldest fossilized bats ever found, and an impressive diorama featuring the swamps and forests of an island in the Arctic. Runs May 26, 2012-Jan. 6, 2013.

See one of only two full-scale models of the Mars Curiosity Rover and a prototype for a lunar greenhouse. Two galleries showcase technologies that will hopefully help us answer some of the most elusive space-age questions pondered: Did Mars ever harbor life? What would it take for humans to live on the Moon? Could space colonization soon become a reality?

Learn about the American bicycle and Chicago's bike culture. The exhibition details the roots of America's most democratic and sustainable form of transportation and considers why human-powered locomotion could be the way of the future for our rapidly evolving urban environment.

Watch men painted blue do unusual performance art and original slapstick comedy. It's fun to sit in the front, but remember to wear a plastic poncho to avoid the flying food and liquids. Buy tickets at the box office, online, via Ticketmaster or by calling (773) 348-4000.

Exhibit includes bats, uniforms, contracts, team traveling suitcases and much more from Reggie Jackson. Items in the exhibit are presented in collaboration with the Mr. October Foundation for Kids, a non-profit organization to benefit at-risk children.

Smarty makes balloons for all children over three years of age, plus complimentary snow cones and special pizza family meal deals.