Weekend Events

Earth Day: Nature's Clean-Up Crew Come meet nature's decomposers, scavengers, and recyclers. Then go on a self-guided scavenger hunt, searching for answers to nature's riddles. Saturday, 11:00 to 2:00. Teatown Lake Reservation

LEGO Fun The third annual event features the creations of master builder Arthur Gugick as well as activities, raffles, and prizes. Saturday and Sunday, 10:00 to 4:00. Lyndhurst

Earth Appreciation Celebration Enjoy a hike, games, and crafts in celebration of the natural world. Children will plant trees and are encouraged to bring them home for transplanting. Saturday, 1:00. Trailside Nature Museum Ward, Pound Ridge Reservation

Songs of Spring Hike Curious to know who's making all those sounds in the spring forest? Learn to identify the sources of that lovely music. Saturday, 9:00. Westmoreland Sanctuary

Where in the World is Osama bin Laden? Catch the just-released movie Where in the World is Osama bin Laden? by Morgan Spurlock. Through April 24, multiple daily showings. Jacob Burns Film Center

Taylor 2 The second ensemble of the Paul Taylor Dance Company (above) performs modern dance. Sunday, 8:00. Paramount Center for the Arts

Gardening for Kids Now is the time to start the garden at the farm. Come and get dirty. Sunday, 1:00 to 3:00. Muscoot Farm

Golden Dragon Acrobats The Golden Dragon Acrobats combine acrobatics, traditional dance, spectacular costumes, ancient and contemporary music, and theatrical techniques to present an exciting show for the whole family. Sunday, 1:00 and 4:30. Ridgefield Playhouse

Andy Lamy, Clarinet and Friends Clarinetist and ornithologist Andrew Lamy performs pieces incorporating recordings of African birds. Sunday, 3:00. Tarrytown Music Hall