From
www.cityofbowie.org:
Belair Mansion (circa 1745), the beautiful five-part Georgian plantation house of Samuel Ogle, Provincial Governor of Maryland. Enlarged in 1914 by the New York architectural firm of Delano and Aldrich, the Mansion was also the home of William Woodward, famous horseman in the first half of the 20th century. Restored to reflect is 250-year old legacy, the Mansion is listed on the National Register of Historic Places.