The Hudson River Valley is rich with historic mansions, presidents’ summer retreats and stunning botanical gardens. Visit Kykuit, Boscobel, Clermont, Stonecrop, Vanderbilt Estate, the New York Botanical Garden and more in this virtual tour with Jana Milbocker of Enchanted Gardens. The Garden Tourist’s Hudson River Valley will be a hybrid program at the Main Library from 6:30-7:30 PM. Free. Registration needed. Register online at windsorlibrary.com. 860-285-1918.