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Wikipedia: National Historic Landmarks in Arizona: El Tovar Hotel
Classic lodge at South Rim of Grand Canyon.
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Wikipedia: Natl Historic Landmarks in Arizona: Air Force Facility Missile Site 8
Last surviving Titan II missile launch facility; inactive.
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Wikipedia: National Historic Landmarks in Arizona: Lowell Observatory
Observatory where Pluto was discovered.
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Wikipedia: Natl Historic Landmarks in Arizona: Montezuma Castle Natl Monument
Well-preserved cliff dwellings built and used by the Pre-Columbian Sinagua people around 1400 AD.
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Wikipedia: National Historic Landmarks in Arizona: Hoover Dam
Historic dam, power plant and water-storage facility.
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Wikipedia: National Historic Landmarks in Arizona: Fort Huachuca
Commemorates "Buffalo Soldiers".
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Wikipedia: National Historic Landmarks in Arizona: Point of Pines Sites
Set of archaeological sites associated with Anasazi, Mogollon and Hohokam cultures.
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Wikipedia: Natl Historic Landmarks in Az: Phelps Dodge General Office Building
Phelps Dodge mining company headquarters from 1896 to 1961.
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Wikipedia: National Historic Landmarks in Az: Los Santos Angeles De Guevavi
Ruins of Spanish mission church; founded 1691.
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Wikipedia: National Historic Landmarks in Arizona: Grand Canyon Village
Planned town significant for its urban planning and ecological sensitivity.
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Wikipedia: National Historic Landmarks in Arizona: Awatovi Ruins
Ruins of a 500 year old pueblo visited by Coronado's men in 1540.
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Wikipedia: National Historic Landmarks in Arizona: San Cayetano De Calabazas
Spanish mission, also known as Calabasas.
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Wikipedia: National Historic Landmarks in Arizona: Taliesin West
Winter home of architect Frank Lloyd Wright.
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Wikipedia: Natl Historic Landmarks in Arizona: C. Hart Merriam Base Camp Site
Work site of C. Hart Merriam, path-breaking eco-biologist.
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Wikipedia: National Historic Landmarks in Arizona: Gatlin Site
Preserves a Hohokam platform mound, pit houses, ball courts, middens, and prehistoric canals.
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Wikipedia: Natl Historic Landmarks in Az: Grand Canyon Park Operations Building
National Park Service building; built in 1929; designed to blend with the natural surroundings.
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Wikipedia: National Historic Landmarks in Arizona: Grand Canyon Power House
An image of the Grand Canyon Power House.
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Wikipedia: National Historic Landmarks in Arizona: Sierra Bonita Ranch
First permanent American cattle ranch in Arizona.