[[Hillsboro, North Dakota]]; [[Hill County, Montana]]; and [[...|Hillyard, Washington]] (now a neighborhood of [[Spokane, Washington|]]) - are named for him. In 1929, the Great Northern Railway named its flagship passenger train the Empire Builder in his honor. The train continues as [[Amtrak]]'s daily [[Empire Builder]], which uses former Great Northern tracks west of St. Paul, Minnesota. The [[James J. Hill House]] in [[St. Paul, Minnesota]] is a [[National Historic Landmark]].ref
In 1887, the Great Northern's first company headquarters building was constructed in St. Paul. It was designed by , who also built the Hill's house on Summit Avenue. The 1887 building was converted between 2000 and 2004 to a 53 unit condo in the [[...|Historic Lowertown District of St. Paul]].ref Hill had seen the devastation done to downtown Chicago by the [[1871 Great Chicago Fire|great fire of 1871]]. As a result, one feature Hill integrated into the construction of the 1887 company headquarters (the Great Northern General Office Building) was barrel vaulted ceilings constructed of brick and railroad steel rails that held up a layer of sand several inches deep. The theory was that if a fire broke out and the ceiling caved in, the sand would drop and retard or suppress the fire.