THE Secret Garden offers a stroll through the New York Botanical Garden, which has two daily tours throughout its 250 acres. Take an in-depth look at places like the Perennial Garden, Conservatory, and old-growth forest. Free with admission. 10 a.m.- 6 p.m. New York Botanical Garden, 200th St. and Kazimiroff Blvd., Bronx. (718) 817-8700.