(2) passes for a total of 4 adult admissions. Enjoy a visit to the deCordova Sculpture Park and Museum. Established in 1950, deCordova Sculpture Park and Museum is the largest park of its kind in New England encompassing 35 acres, 20 miles northwest of Boston. Providing a constantly changing landscape of large-scale, outdoor, modern and contemporary sculpture and site-specific installations, the Sculpture Park hosts more than 60 works, the majority of which are on loan to the Museum.