Celebrate Earth Day by visiting the Park and its trees! Tour the Park’s Central Pathway with local arborist, Michael Garrett. Learn about the variety of tree species and their roles in the Park’s ecosystem. End the tour by visiting Hugh Hayden’s newest installation, “American Vernacular”, on view near Alexander Lieberman’s “The Way”, 1972-80).

Sunday, April 21 / 11 a.m. / FREE, reservation required