| Fort Aggie |
| Camp Albany |
| Allison's Fort |
| Alma Blockhouse |
| Altes Fort |
| Camp Alton |
| Alton Blockhouse |
| Camp Anna |
| Apple River Fort |
| Fort Armstrong |
| Armstrong's Fort |
| Fort de l'Ascension |
| Fort Augusta |
| Barcroft Place Fort |
| Barney's Fort |
| Bartholomew's Fort |
| Bartlett's Blockhouse |
| Post at Battery Rock |
| Beck's Blockhouse |
| Begg's Fort |
| Fort Bellefontaine |
| Camp Bissell |
| Black Island Fort |
| Camp Blum |
| Boone's Fort |
| Boultinghouse's Fort |
| Fort Bowman |
| Brashear's Fort |
| Brazil's Station |
| Camp Bureau |
| Camp Butler |
| Fort Butler |
| Fort Cahokia |
| Cahokia Mounds |
| Camp Cairo |
| Camp Camden Mills |
| Campbell's Blockhouse |
| Campbell's Fort |
| Carlisle Fort |
| Carthage Fort |
| Fort Cavendish |
| Camp Cedarville |
| Chamber's Fort |
| Fort de Chartres |
| Fort de Checagou |
| Chilton's Fort |
| Fort Clark |
| Compton's Fort |
| Council's Fort |
| Crainville's Fort |
| Crane's Fort |
| Fort Cr�vecoeur |
| Fort Cribs |
Cross Roads Fort |
| Crozat's Fort |
| Camp Cunningham |
| Fort Darling |
| Darnell's Fort |
| Cantonment Davis |
| De La Harpe's Fort |
| Fort Dearborn |
| Fort Defiance |
| Camp Dement |
| Fort Deposit |
| Fort Dixon |
| Fort Doolittle |
| Camp Douglas |
| Camp Dover |
| Downing's Station |
| Camp Dubois |
| Camp Duncan |
Camp Dunlap |
| Camp Dunne |
| Fort Du Page |
| DuSable's Trading Post |
| Eaton's Fort |
| Fort Edwards |
| Camp Ellsworth |
| Camp Foote |
| Camp Ford |
| Fort la Fourche |
| Fort Fran�ois |
| Camp Fremont |
| French Post |
| Camp Fry |
| Fort Gage |
| Fort Galena |
| Camp Geismar |
| Going's Fort |
| Golden's Blockhouse |
| Camp Goode |
| Camp Goodell |
| Camp Grant |
| Greathouse's Fort |
| Green's Fort |
| Gum's Fort |
| Camp Hammond |
| Handy's Fort |
| Hanna's Fort |
| Camp Hardin |
| Hartford Fort |
| Hartzell's Fort |
| Havana Fort |
| Camp Hayden |
| Hayes' Blockhouse |
| Henderson's Grove Fort |
| Henline's Fort |
| Camp Herring |
| Higginbotham's Fort |
| Fort Higgins |
| Camp Highwood |
| Hill's Fort |
| Fort Horn |
| Camp Houghtaling |
| Hubbard's Fort |
| Hurst Blockhouse |
| Fort Illinois |
| Illinois River Blockhouse |
| Fort Johnson |
| Fort Johnston |
| Jones' Fort |
| Jordan's Fort |
| Journey's Fort |
| Fort Kaskaskia |
| Post at Kaskaskia |
| Kellogg's Fort |
| Kellogg's Grove Fort |
| Kickapoo Fort |
| Kincaid Mounds |
| Kinzie's Trading Post |
| Kirkpatrick's Fort |
| Knoxville Fort |
| Fort La Motte |
| La Taupine's Post |
| Land's Fort |
| Camp Latham |
| Lemen's Blockhouse |
| Fort Lewis |
| Camp Lincoln |
| Little Fort |
| Lockport Fort |
| Lofton's Blockhouse |
| Camp Logan |
| Camp Long |
| Camp Lowden |
| Camp Lyon |
| Camp McAllister |
| Camp McClellan |
| Camp McClernand |
| McHenry's Fort |
| McKee's Fort |
| McMurtry's Fort |
| Fort Marshall |
| Marshall County Forts |
| Fort Massac |
| Fort Massiac |
| Camp Mather |
| Middleton's Fort |
| Milton Fort |
| Fort Monterey |
| Moore's Blockhouse |
| Moore's Fort |
| Camp Mulligan |
| Naper's Fort |
| Camp Neponset |
| Fort Nonsense |
| Old Stone Fort |
| Fort Ottawa |
| Fort Paine |
| Fort Palmyra |
| Camp Parole |
| Patton's Fort |
| Fort Payne |
| Fort Peoria |
| Piggott's Fort |
| Fort Pimitoui |
| Plum River Blockhouse |
| Prairie Marcot Blockhouse |
| Camp Prentiss |
| Preuitt's Blockhouse |
| Ramsey's Fort |
| Camp Reinberg |
| Fort des Renards |
| Camp River DuBois |
| Rock Island Arsenal |
| Rock Island Camp |
| Camp Russell |
| Fort Russell |
| Fort Ste Anne |
| Fort St Joseph |
| Fort St. Louis |
| Fort St. Louis des Illinois |
| Fort St. Louis du Rocher |
| Camp Scott |
| Shelton's Fort |
| Fort Sheridan |
| Camp Sigel |
| Silver Creek Fort |
| Skillet Fort |
| Camp Slemmer |
| Slocumb's Fort |
| Camp Smith |
| Camp Song |
| Starkey's Fort |
| Starved Rock Fort |
| Camp Steadman |
| Stockade Fort |
| The Stockade Refuge |
| Fort Sumter |
| Fort Tamarans |
| Camp Tanner |
| Tanquary's Fort |
| Camp Taylor |
| Fort Tazewell |
| Thomas' Fort |
| Camp Tiskilwa |
| Touga's Fort |
| Touga's Post |
| Tugaw's Fort |
| Camp Tyler |
| Urbana Ground School |
| Vieu Fort |
| Warnock's Blockhouse |
| Camp Webb |
| Whiteside's Station |
| Fort Wilbourn |
| Fort Wilburn |
| Fort Wilkinson |
| Cantonment Wilkinsonville |
| Fort Willard |
| Williams' Fort |
| Wilson's Fort |
| Fort Winnebago |
| Camp Wood |
| Wood's Fort |
| Wood River Fort |
| Camp Wyanet |
| Camp Yates |
