Texas Subcategories This category has the following 11 subcategories, out of 11 total. Demolished buildings and structures in Illinois (4 C, 26 P)A Defunct airports in Illinois (1 C, 10 P) Archaeological sites in Illinois (4 C, 27 P)C Former courthouses in Illinois (15 P)H Defunct hotels in Illinois (2 C, 4 P)P Former power stations in Illinois (1 C, 3 P) Defunct prisons in Illinois (9 P)R Former religious buildings and structures in Illinois (1 C, 3 P)S Defunct schools in Illinois (6 C, 23 P) Defunct sports venues in Illinois (3 C, 9 P)U Defunct universities and colleges in Illinois (1 C, 2 P)