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.

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.

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.

Performances run most Tuesdays through Saturdays at 10 a.m., and added performances March 27, 29 and 30 at 12:30 p.m. 

The King and I will be presented at Harper College, 1200 W. Algonquin Road, Palatine, on Friday, April 20 at 7:30 p.m., Saturday, April 21 at 2 and 7:30 p.m., Friday, April 27 at 7:30 p.m., and Saturday, April 28 at 2 and 7:30 p.m. General admission tickets are $18 at the door and $16 in advance. Reservations are recommended.