This sprawling 45-acre complex, comprising 37 historic buildings, blends a formal art museum and a living-history museum into a "three-dimensional collage" whose 80,000-piece collection of art spans 300 years.

This grand 19C agricultural estate and National Historic Landmark on the shores of Lake Champlain was the country home of railroad tycoon William Seward Webb and his wife Lila Vanderbilt Webb, granddaughter of Cornelius Vanderbilt. The 1,400-acre far..