Reply The 68-acre Weir Farm National Historical Park preserves the home, studios and grounds of the late 19th-century American artist Julian Alden Weir. (Contributed by Weir Farm) WILTON, CT — Weir Farm in Ridgefield and Wilton has been officially designated Connecticut's first "national historic park." The bill was sponsored by U.S. Senator Chris Murphy, U.S. Senator Richard Blumenthal and U.S. Representative Jim Himes and signed into law by President Donald J. Trump. The 68-acre Weir Farm National Historical Park preserves the home, studios and grounds of the late 19th-century American artist Julian Alden Weir. The land was integral to his artistic vision and to the growth of the American Impressionism national style of painting.