National Parks in Iowa
![circa 1930: The birthplace of Herbert Hoover (1874 - 1964), the 31st President of the United States, in West Branch, Iowa. (Photo by Hulton Archive/Getty Images)](http://travel.home.sndimg.com/content/dam/images/travel/fullrights/2016/03/21/0/Getty-Images-Herbert-Hoover-birthplace-3318820.jpg.rend.hgtvcom.616.462.suffix/1491593789479.jpeg)
Hulton Archive
Effigy Mounds
National Monument, Harpers Ferry, IA
Herbert Hoover
National Historic Site, West Branch, IA
Lewis & Clark
National Historic Trail, ID, IL, IA, KS, MO, MT, NE, ND, OR, SD, WA
![Lewis and Clark Trail marker on North Interstate 29 Iowa USA - sign, signpost, direction, marker, travel. (Photo by: Universal Images Group via Getty Images)](http://travel.home.sndimg.com/content/dam/images/travel/fullrights/2016/03/21/0/Getty-Images-Lewis-and-Clark-Trail-Iowa-169167473.jpg.rend.hgtvcom.616.411.suffix/1491593789495.jpeg)
UniversalImagesGroup
Mormon Pioneer
National Historic Trail, IL, IA, NE, UT, WY
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