The Mill House Museum preserves the history of the Occoquan area. The Museum holds an extensive collection of photographs of the area. On exhibit are also artifacts from the area that document both advances in technology and the average daily life of individuals during the period. The entire Mill House collection has not been fully documented. The photographs and periodicals held at the museum are frequently used for research on the area.
The Mill House Museum assists in several special events each year. The Museum hosts frequent seminars and educational events on the history of the area and the advancements in milling technology from the Civil War era. Many exhibits through the museum focus on Civil War history. The Museum also frequently supports Civil War reenactments in the area. The historical society's website offers an Occoquan scavenger hunt for children as well as special online exhibits on local history.