A 1,000-acre historic estate and horse park in Leesburg, Virginia, United States. Located on the grounds are the Morven Park Mansion, the Winmill Carriage Museum, formal boxwood gardens, miles of hiking and riding trails, and athletic fields.
The Smithsonian National Air and Space Museum's annex at Washington Dulles International Airport. Larger than the DC Mall museum and permanent home to the Discovery Space Shuttle. Absolutely amazing to see in person!