One of the nation’s oldest and most important historic house museums, Mount Vernon, welcomes over one million visitors each year. Over the past twenty years, our team has been involved in several significant project endeavors at this National Historic Landmark. Our early restoration work transformed the barn into an authentic reconstruction of George Washington’s circa 1790 distillery, creating a destination for whisky enthusiasts embarking on the American Whiskey Trail. More recently, we worked closely with Mount Vernon historians on a groundbreaking pilot project that guides the future stewardship and conservation of the plantation and mansion. Born from this program, the Historic Building Information Management (HBIM) tool integrates geographic information systems and building information modeling into a unified graphic user interface. Providing a three-dimensional model and a database to manage and access historical documentation and the site’s as-built conditions, the program maintains a comprehensive account of the landmark’s historical artifacts that comprise its cultural heritage and significance.