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  2. List of national historic sites and historical parks of the ...

    en.wikipedia.org/wiki/List_of_national_historic...

    Formally known as the United States Armory and Arsenal at Springfield, this was the primary center for the manufacture of United States military firearms from 1777 until its closing in 1968. The armory's innovative use of Interchangeable parts and the assembly line process would prove essential to manufacturing firearms for conflicts like the ...

  3. List of national monuments of the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_national_monuments...

    A 1938 Works Progress Administration poster for Fort Marion National Monument, now called Castillo de San Marcos. The United States has 136 protected areas known as national monuments. The president of the United States can establish a national monument by presidential proclamation, and the United States Congress can do so by

  4. List of United States National Historic Landmarks in United ...

    en.wikipedia.org/wiki/List_of_United_States...

    This is a list of National Historic Landmarks in U.S. commonwealths and territories, associated states, and foreign states. Included are lists of National Historic Landmarks (NHLs) and of National Park Service administered areas in U.S. Commonwealths and territories, U.S.-associated states, and in the foreign state of Morocco.

  5. Iconic National Monuments Every American Should See at ... - AOL

    www.aol.com/finance/32-national-monuments...

    An archeologist's dream come true, Bandelier boasts signs of human activity dating back 11,000 years. Cliff dwellings and masonry walls are still standing, and a short 1.2-mile hike takes you ...

  6. 39 Landmark Buildings That Scream 'America' - AOL

    www.aol.com/39-landmark-buildings-scream-america...

    America's historic buildings. Historic churches. Revolutionary homes. Record-setting skyscrapers. Take a virtual history class by scrolling through this gallery of 39 American landmark buildings ...

  7. The Best National Parks, Monuments and Historical Sites in ...

    www.aol.com/explore-best-national-parks-every...

    New Jersey: Thomas Edison National Historical Park. This National Historical Park preserves Thomas Edison's home, laboratory, and estate in West Orange. Entrance costs $15, and an audio tour is ...

  8. List of World Heritage Sites in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_World_Heritage...

    There are 26 World Heritage Sites in the United States, with a further 17 on the tentative list. [3] The first sites in the United States added to the list were Mesa Verde National Park and Yellowstone National Park, both at the second session of the World Heritage Committee, held in Washington, D.C., in 1978. [4]

  9. List of U.S. National Historic Landmarks by state - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._National...

    Click on a state to see a list of the National Historic Landmarks in that state. The United States National Historic Landmark Program is designed to recognize and honor the nation's cultural and historical heritage. The program was formally inaugurated with a series of listings on October 9, 1960; as of August 21, 2020, there are 2,597 ...