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| Tawasa, Ancient Indian Town|Montgomery, Alabama | Petrified Forest | Site of De Soto Landing | Petrified Redwood Forest |
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Mountain View J.H. Sumner, WA |
Northern Arizona | Helena, Arkansas | Calistoga, California |
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| Mesa Verde Cliff Dwellings | Yale University | The White House | Old Swedes Church |
| Cortex, Colorado | Connecticut | Washington, D.C. | Wilmington, Delaware |
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Fort Marion St. Augustine, Florida |
Confederate Prison Andersonville, Georgia |
Pearl Harbor Oahu Island, Hawaii |
Craters of the Moon National Monument Arco, Idaho |
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| Original Tomb of Abraham Lincoln | Abraham Lincoln's Home | Union Stock Yard's Gate | World's Columbian Exposition |
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Springfield, Illinois
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Springfield, Illinois | Chicago, Illinois | Chicago, Illinois |
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| Birthplace of Col. Robert R. McCormick | Douglas Hall, first University of Chicago | William Henry Harrison Mansion | Marquette/Joliet Landing in Louisa County |
| Chicago, Illinois | Chicago, Illinois | Vincennes, Indiana | Port Louisa, Iowa |
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| John Brown's Cabin | Mammoth Cave | Battle of New Orleansl | Elijah Lovejoy Homestead |
| Osawatomie, Kansas | Southwestern Kentucky | New Orleans, Louisiana | Albion, Maine |
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Fort McHenry Baltimore, Maryland |
Massachusetts Hall, Harvard University Cambridge, Massachusetts |
Bunker Hill Battlefield Charlestown, Massachusetts |
Fort Brady Sault Ste. Marie, Michigan |
| Mountain View J.H. Sumner, WA | Mountain View J.H. Sumner, WA | ||
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| Kensington Rune Stone | Shirley House, Siege of Vicksburg | ||
| Kensington, Minnesota | Vicksburg, Mississippi | ||
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