| California NHT | ||
 Park Map |
Synopsis: Trail covers historic route of the largest land migration in the nations history. Stamp Location: Stamp may be obtained in Iowa at the Western Historic Trails Center in Council Bluffs. See also California, Idaho, Utah, Wyoming and Missouri for additional stamp locations. |
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| Effigy Mounds NM | ||
 Park Map |
Synopsis: Archeological park protects mounds in the shape of animals dating from 500 B.C. The monument also serves as a wildlife refuge and scenic area with cliffs along the Mississippi River. Stamp Location: Visitor center is located off SR 76 three miles north of Marquette. |
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| Herbert Hoover NHS | ||
 Park Map |
Synopsis: The commemorates the life of the 31st president with his birth cottage, place of worship, grave site and presidential library. It also includes 76 acres of tall grass prarie. Stamp Location: The visitor center is located at the corner of Parkside Dr and Main St, 0.5 miles from exit 254 on I-80 in West Branch. |
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| Lewis & Clark NHT | ||
 Park Map |
Synopsis: Trail follows the route of the famed Lewis & Clark Expedition in 1804 from St Louis to Pacific Ocean. Stamp Location: The stamp may be obtained at the Western Historic Trails Center in Council Bluffs and at the Lewis and Clark Interpretive Center, I-29 exit 149. See also Oregon, Washington, Idaho, Montana, North Dakota, Wisconsin, Illinois, Missouri and South Dakota for additional stamping locations. Read this listing for a complete list of other VC’s along the trail. |
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| Mormon Pioneer NHT | ||
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Synopsis: Over 70,000 Mormons led by Brigham Young travelled this route from Illinois to the Salt Lake Valley. Stamp Location: The stamp is available in Iowa at the Western Historic Trails Center in Council Bluffs. See also Wyoming, Utah and Nebraska for additional locations. |
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| Silos and Smokestacks NHC | ||
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Synopsis: Corridor preserves America’s agricultural heritage. Stamp Location: Stamp may be obtained at the parks headquarters at 209 W. 5th St. in Waterloo. |
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