National Parks
Illinois &
Michigan Canal National Heritage Corridor
Lockport, IL
Lewis &
Clark National Historic Trail
ID, IL, IA, KS, MO, MT, NE, ND, OR, SD, WA
Lincoln
Home National Historic Site
Seattle, WA
Mormon
Pioneer National Historic Trail
IL, IA, NE, UT, WY
Trail of
Tears National Historic Trail
AL, AR, GA, IL, KY, MO, NC, OK, TN
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