Complex sentence: Morven Park is a 1,000-acre historic estate and horse park in Leesburg, Virginia, United States, that includes the Westmoreland Davis Mansion, the Winmill Carriage Museum, formal boxwood gardens, miles of hiking and riding trails, and athletic fields.
Split into simpler sentences: Morven Park is 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.