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.

Make a bug friend, design bug bling, complete bug challenges, take part in a bug flash mob, learn fun facts about bugs or maybe even snack on one.

Children can immerse themselves in backstage preparation, perform routines in center ring or manage the behind-the-scenes action of lights and sound. Plus, try making a circus balance toy or dress up like a clown.

View an array of student poster projects exploring ways to reduce, reuse and recycle and learn how to become a greener citizen. Runs April 3-May 6.

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.

Exhibit tells the story of Girl Scouting and Boy Scouting in America.

A visually explosive journey of discovery that weighs the solutions aimed at restoring our planet's orbits. Visitors experience mind-boggling collisions in time lapse sequences captured with the magical imagery of 3D.

Through the discovery of exoplanets, we have learned our solar system is not alone in the universe. IN this new space show, learn how, with new instruments like the Kepler Telescope and rapidly improving technologies, the discovery of exoplanets puts us one step closer to finding an Earth-like world.

New space show gives audiences the chance to see the sun up close in dazzling, high-definition 3D. Stand above the Arctic Circle and witness brilliant auroras. Take a ride on a solar blast from the Sun's surface to Earth's Magnetosphere. Witness the most powerful explosions in the solar system - equal to the force of a billion megaton nuclear bombs.

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.

Features a selection of jades used at the table, in the studio and as personal adornment. Qing Dynasty China produced exceptional carving for a growing jade market.

Visitors go on an interactive journey through the world of ancient Greece, where they can meet the gods, experience ancient Greek daily life and interact with the epic poem The Odyssey through more than 25 engaging interactive components, including climbing into a 13-foot tall Trojan Horse. Kids play and learn as they navigate rocky caves and open seas on "The Odyssey: A Hero's Journey" and e-mail home their Hero Record, belt tunes in the Sirens Karaoke Cave, discover which Greek god they are most like, match wits with Aristotle in a game of 20 questions, test their arm wrestling prowess in the Gymnasium and marvel at a working replica of the Antikythera Mechanism, believed to be the world's oldest computer.

Kids sing, play games and see why so many kids have joined this chorus.

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.

Waukegan Public School teacher Marla Weinstein leads a poetry workshop for families.