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.

Interactive story time and fun crafts indoors before heading out on the grounds for a winter walk. Themes change each week. Wednesdays and Fridays.

Curious George leads the celebratory walk from the Children's Garden to the tree planting site. Listen to a tree-inspiring story, and then help Curious George plant a tree, then leads "A Curious Walk with Curious George" around Meadow Lake, pointing out some unusual trees while telling stories.

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.

Meet the naturalist for a fun look at the critters that call Indiana Dunes home and venture outside to look for some. Parent must be present for kids 12 and under.

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.

Support the Wonder Works Organic Garden while decorating a 6" planter, complete with flower of choice. 6" clay flowerpot, decorations and a small flower included.

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.