| S.No. |
Landmark Name |
Date Declared |
Locality |
County |
| 1 |
Amana Colonies |
June 23, 1965 |
Middle Amana |
Iowa |
| 2 |
Blood Run Site |
August 29, 1970 |
Granite, IA and Shindler, SD |
Lyon, IA and Lincoln, SD |
| 3 |
Grenville M. Dodge House |
November 5, 1961 |
Council Bluffs |
Pottawattamie |
| 4 |
Dubuque County Jail |
May 28, 1987 |
Dubuque |
Dubuque |
| 5 |
The Farm House (Knapp-Wilson House) |
July 19, 1964 |
Ames |
Story |
| 6 |
Fort Des Moines Provisional Army Officer Training School |
May 30, 1974 |
Des Moines |
Polk |
| 7 |
GEORGE M. VERITY (towboat) |
December 20, 1989 |
Keokuk |
Lee |
| 8 |
William P. Hepburn House |
December 8, 1976 |
Clarinda |
Page |
| 9 |
Reverend George B. Hitchcock House |
February 17, 2006 |
Lewis |
Cass |
| 10 |
Herbert Hoover Birthplace |
June 23, 1965 |
West Branch |
Cedar |
| 11 |
Indian Village Site (Witrock Area) |
July 19, 1964 |
Sutherland |
O'Brien |
| 12 |
LONE STAR (towboat) |
December 20, 1989 |
LeClaire |
Scott |
| 13 |
Merchants' National Bank |
January 7, 1976 |
Grinnell |
Poweshiek |
| 14 |
Julien Dubuque's Mines |
November 4, 1993 |
Dubuque |
Dubuque |
| 15 |
Old Capitol |
January 7, 1976 |
Iowa City |
Johnson |
| 16 |
Phipps Site |
July 19, 1964 |
Cherokee |
Cherokee |
| 17 |
SERGEANT FLOYD (towboat) |
May 5, 1989 |
Sioux City |
Woodbury |
| 18 |
Sergeant Floyd Monument |
June 30, 1960 |
Sioux City |
Woodbury |
| 19 |
Terrace Hill |
July 31, 2003 |
Des Moines |
Polk |
| 20 |
Toolesboro Mound Group |
May 23, 1966 |
Toolesboro |
Louisa |
| 21 |
Van Allen and Company Department Store |
January 7, 1976 |
Clinton |
Clinton |
| 22 |
James B. Weaver House |
May 15, 1975 |
Bloomfield |
Davis |
| 23 |
WILLIAM M. BLACK (dredge) |
April 27, 1992 |
Dubuque |
Dubuque |
| 24 |
Woodbury County Courthouse |
une 19, 1996 |
Sioux City |
Woodbury |
