The Greiss Mansion for sale in Tulsa, Oklahoma. Built in 1931, designed by renowned architect John Duncan Forsyth, French Normandy style, located in Tulsa’s Midtown enclave directly across from the Philbrook Museum, features formal and informal gathering spaces, whole-home generator, 4 private acres with mature landscape, 5 bedrooms, 14,998 square feet. $10,000,000.

Impeccable Georgian Revival house for sale in Tulsa, Oklahoma. Built in 1924, restored classic architecture, elegant rooms, double lot with manicured landscaping and lagoon pool, 2-car garage, 4 spacious bedrooms, 5239 square feet. $1,695,000.

The McBirney Mansion for sale in Tulsa, Oklahoma. Built in 1928, Tudor Gothic style, intricate moldings, soaring ceilings, awe-inspiring terrace, separate guest quarters, landscaped grounds, 7 bedrooms, 15900 square feet. $6,500,000.

Stunning Colonial Revival house for sale in Ada, Oklahoma. Built in 1913, original hardwood floors, 7 fireplaces, main level updated, large basement, historical carriage house, tennis court, 6 bedrooms, 8718 square feet. $1,300,000.