The Rock Garden was built beginning in 1926, and originally contained over 600 differentspecies of rock garden and alpine plants. The rock garden now features many of the original plants augmented with newer varieties. The Old Garden , also known as the Pan Garden, was planted in 1909 with shrub roses and perennials. It is now a quiet woodland sanctuary with original specimen rhododendrons, azaleas, and a magnificent Chinese Dogwood. The Main House was built by John Hay in 1891.
Tours are on weekends and holidays from Memorial Day to Columbus Day.
Classes are held at the main house during summer months. The maple at the end of the stonewall was planted by President Theodore Roosevelt in 1902. Hike through meadows and fields of blueberries and naturalized heather. The Perennial Border has been recently replanted in a style similar to that enjoyed by the Hays in the 1930s. It features hardy perennials blooming in shades of pink, blue and white.