E. W. Marland Mansion

Ernest Whitworth Marland Mansion
Marland Mansion Western Entrance Front
Location901 Monument Rd., Ponca City, Oklahoma
Coordinates36°43′01″N 97°03′38″W / 36.71694°N 97.06056°W / 36.71694; -97.06056
Built1928
ArchitectJohn Duncan Forsyth
Architectural styleMediterranean Revival
NRHP reference No.73001561
Significant dates
Added to NRHPApril 11, 1973
Designated NHLDecember 22, 1977

The E.W. Marland Mansion is a 43,561 square feet (4,046.9 m2) Mediterranean Revival-style mansion located in Ponca City, Oklahoma, United States. Built by oil baron and philanthropist Ernest Whitworth (E.W.) Marland, as a display of wealth at the peak of the 1920s oil boom, the house is one of the largest residences in the southwestern United States, and is known as the "Palace on the Prairie." It was designated a National Historic Landmark in 1973, and is now a museum open to the public.