The Rosemount Museum, pronounced "Rosemont" is a historic house museum in Pueblo, Colorado, it is situated on a square block at the corner of one of the highest points in north Pueblo and across the street from Parkview Medical Center. It is a 24,000-square-foot, three story mansion with attic and basement and contains thirty-seven rooms. It was begun in 1891 and completed in 1893 for John A. Thatcher and his family. A 6,000-square-foot carriage house was also built on the property.