While Dr. Thomas, Jebidiah, and Elizabeth are in the College Chapel, Dr. Thomas mentions that there is one other chapel on campus that was around during Ford's lifetime. They then go to visit Frost Chapel, which was completed in 1937. Barnwell Chapel, another chapel on Berry's campus, was completed in 1911. They fail to recognize this chapel despite it being being built almost three decades before Frost Chapel.
In the finale while the protagonists are rushing into Hermann Hall, they are actually shown entering the third floor of the Krannert Center. The rest of this scene is filmed in Hermann Hall.