Hopewell Furnace National Historic Site is located in Elverson, Pennsylvania, USA. For details and information on visiting, see http://www.nps.gov/hofu.
Natchez National Historical Park is located in Natchez, Mississippi, USA. For details and information on visiting, see http://www.nps.gov/natc.
Salem Maritime National Historic Site is located in Salem, Massachusetts, USA. For details and information on visiting, see http://www.nps.gov/sama.
Valley Forge National Historical Park is located in King of Prussia, Pennsylvania, USA. For details and information on visiting, see http://www.nps.gov/vafo.
Benjamin Franklin National Memorial is located in Philadelphia, Pennsylvania, USA. For details and information on visiting, see http://www2.fi.edu/exhibits/permanent/franklin_national_memorial.php.
Colonial National Historical Park is located in Jamestown, Virginia, USA. For details and information on visiting, see http://www.nps.gov/colo.
Fort Matanzas National Monument is located in St. Augustine, Florida, USA. For details and information on visiting, see http://www.nps.gov/foma.
Grand Portage National Monument is located in Grand Marais, Minnesota, USA. For details and information on visiting, see http://www.nps.gov/grpo.
Independence National Historical Park is located in Philadelphia, Pennsylvania, USA. For details and information on visiting, see http://www.nps.gov/inde.
National Capital Parks – Central is located in Washington, DC, USA. For details and information on visiting, see http://www.nps.gov/nacc.