Complex sentence: The DeCordova Sculpture Park and Museum is a sculpture park and art museum in Lincoln, Massachusetts focused on modern and contemporary art, and holds a collection focused on work in all media, especially works by artists with connections to New England.
Split into simpler sentences: The DeCordova Sculpture Park and Museum is a contemporary sculpture park and art museum in Lincoln, Massachusetts. It is focused on modern and contemporary art, and holds a collection focused on work in all media, including many works by artists with connections to New England.