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hot spring
(Encyclopedia)hot spring, natural discharge of groundwater having an elevated temperature. Most hot springs result from the emergence of groundwater that has passed through or near recently formed, hot, igneous roc...amusement park
(Encyclopedia)amusement park, a commercially operated park offering various forms of entertainment, such as arcade games, carousels, roller coasters, and performers, as well as food, drink, and souvenirs. Amusement...National Archives
(Encyclopedia)National Archives, official depository for records of the U.S. federal government, established in 1934 by an act of Congress. Although displeasure concerning the method of keeping national records was...rhyolite
(Encyclopedia)rhyolite, fine-grained light-colored acidic volcanic rock. Rhyolite is chemically the equivalent of granite, and is thus composed primarily of quartz and orthoclase feldspar with subordinate amounts o...Jefferson National Expansion Memorial
(Encyclopedia)Jefferson National Expansion Memorial: see Gateway Arch National Park. ...Fort Jefferson National Monument
(Encyclopedia)Fort Jefferson National Monument: see Dry Tortugas National Park under Dry Tortugas. ...Lake Clark National Park and Preserve
(Encyclopedia)Lake Clark National Park and Preserve, S Alaska. Located across Cook Inlet from Anchorage, the park (2,619,733 acres/1,060,621 hectares) and adjacent preserve (1,410,325 acres/570,982 hectares) featur...Lewis and Clark National Historical Park
(Encyclopedia)Lewis and Clark National Historical Park: see National Parks and Monuments (table)national parks and monuments (table). ...Lyndon B. Johnson National Historical Park
(Encyclopedia)Lyndon B. Johnson National Historical Park: see National Parks and Monuments (table)national parks and monuments (table). ...Marsh-Billings-Rockefeller National Historical Park
(Encyclopedia)Marsh-Billings-Rockefeller National Historical Park: see National Parks and Monuments (table)national parks and monuments (table). ...Browse by Subject
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