Lowell National Historical Park was created on 1978-06-05.
The area of Lowell National Historical Park is 570,606.7555584001 square meters.
Pecos National Historical Park was created in 1965.
Independence National Historical Park was created in 1956.
Natchez National Historical Park was created in 1988.
Adams National Historical Park was created in 1946.
Morristown National Historical Park was created in 1933.
Trakai Historical National Park was created in 1992.
Chaco Culture National Historical Park was created in 1907.
Boston National Historical Park was created on 1974-10-01.
Sitka National Historical Park was created on 1972-10-18.
Valley Forge National Historical Park was created in 1893.
Saratoga National Historical Park was created on 1938-06-01.