Hillwood is a historic estate located in Washington, D.C., originally owned by the socialite and philanthropist Marjorie Merriweather Post. The estate features a stunning mansion filled with an extensive collection of Russian imperial art and French decorative arts, reflecting Post's passion for these cultures. The grounds of Hillwood span 25 acres and include beautiful gardens, walking paths, and a greenhouse. The estate is now a museum, offering visitors a glimpse into the luxurious lifestyle of the early 20th century and the artistic treasures collected by Post throughout her life.