The Main Campus at Louisiana Tech University originated in 1894 as a plot of land with only two buildings, The Old Main Building and a frame building nearby used by the Department of Mechanics (the forerunner of the College of Engineering and Science). Today, the Main Campus is housed on of land with 86 buildings including 22 apartment buildings for the University Park Apartments on the north part of the campus. Many of the buildings, especially the older buildings, on the Main Campus are built in the Colonial Revival style. Bogard Hall, Howard Auditorium, Keeny Hall, University Hall (formerly the original Prescott Library), Reese Hall, Robinson Hall, and Tolliver Hall are all included on the National Register of Historical Places.