The Osler Building, originally constructed as a medical office building, sat vacant from 2006 to 2013 in the declining Midtown district of Oklahoma City. You’d never know that today. Midtown has experienced a renaissance. The area, once blighted, is now filled with trendy restaurants and businesses. In 2013 the Osler Building was completely gutted and transformed into a 54-room boutique hotel, the Ambassador Hotel Oklahoma City, Autograph Collection, where I stayed on my recent visit to Oklahoma City.