- Regional/ North America/ United States/ California/ Travel and Tourism/ Parks/ National Parks and Monuments/ Cabrillo_NM@ (1)
- Regional/ North America/ United States/ Florida/ Travel and Tourism/ Parks/ National Parks and Monuments/ Canaveral_NS@ (2)
- Regional/ North America/ United States/ Louisiana/ Travel and Tourism/ Parks/ National Parks and Monuments/ Cane_River_Creole_NHP@ (1)
- Regional/ North America/ United States/ Arizona/ Travel and Tourism/ Parks/ National Parks and Monuments/ Canyon_de_Chelley_NM@ (4)
- Regional/ North America/ United States/ Utah/ Travel and Tourism/ Parks/ National Parks and Monuments/ Canyonlands_National_Park@ (19)
- Regional/ North America/ United States/ Massachusetts/ Travel and Tourism/ Parks/ National Parks and Monuments/ Cape_Cod_NS@ (3)
- Regional/ North America/ United States/ North Carolina/ Travel and Tourism/ Parks/ National Parks and Monuments/ Cape_Hatteras_NS@ (5)
- Regional/ North America/ United States/ Alaska/ Travel and Tourism/ Parks/ National Parks and Monuments/ Cape_Krusenstern_NM@ (2)
- Regional/ North America/ United States/ North Carolina/ Travel and Tourism/ Parks/ National Parks and Monuments/ Cape_Lookout_NS@ (1)
- Regional/ North America/ United States/ Utah/ Travel and Tourism/ Parks/ National Parks and Monuments/ Capitol_Reef_National_Park@ (10)
- Regional/ North America/ United States/ New Mexico/ Travel and Tourism/ Parks/ National Parks and Monuments/ Capulin_Volcano_NM@ (2)
- Regional/ North America/ United States/ North Carolina/ Travel and Tourism/ Parks/ National Parks and Monuments/ Carl_Sandburg_Home_NHS@ (1)
- Regional/ North America/ United States/ New Mexico/ Travel and Tourism/ Parks/ National Parks and Monuments/ Carlsbad_Caverns_NP@ (12)
- Regional/ North America/ United States/ Arizona/ Travel and Tourism/ Parks/ National Parks and Monuments/ Casa_Grande_NM@ (2)
- Regional/ North America/ United States/ Florida/ Travel and Tourism/ Parks/ National Parks and Monuments/ Castillo_de_San_Marcos_NM@ (1)
- Regional/ North America/ United States/ New York/ Travel and Tourism/ Parks/ National Parks and Monuments/ Castle_Clinton_NM@ (2)
- Regional/ North America/ United States/ Maryland/ Travel and Tourism/ National Parks and Monuments/ Catoctin_Mountain_Park@ (2)
- Regional/ North America/ United States/ Utah/ Travel and Tourism/ Parks/ National Parks and Monuments/ Cedar_Breaks_National_Monument@ (5)
- Regional/ North America/ United States/ New Mexico/ Travel and Tourism/ Parks/ National Parks and Monuments/ Chaco_Culture_NHP@ (7)
- Regional/ North America/ United States/ Texas/ Travel and Tourism/ Parks/ National Parks and Monuments/ Chamizal_National_Memorial@ (2)
- Regional/ North America/ United States/ California/ Travel and Tourism/ Parks/ National Parks and Monuments/ Channel_Islands_NP@ (35)
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- Regional/ North America/ United States/ South Carolina/ Travel and Tourism/ Parks/ National Parks and Monuments/ Charles_Pinckney_NHS@ (1)
- Regional/ North America/ United States/ Georgia/ Travel and Tourism/ Parks/ National Parks and Monuments/ Chattahoochee_NSR@ (2)
- Regional/ North America/ United States/ Maryland/ Travel and Tourism/ National Parks and Monuments/ Chesapeake_and_Ohio_Canal_NHP@ (7)
- Regional/ North America/ United States/ Georgia/ Travel and Tourism/ Parks/ National Parks and Monuments/ Chickamauga_and_Chattanooga_NMP@ (1)
- Regional/ North America/ United States/ Arizona/ Travel and Tourism/ Parks/ National Parks and Monuments/ Chiricahua_NM@ (2)
- Regional/ North America/ United States/ Idaho/ Travel and Tourism/ National Parks and Monuments/ City_of_Rocks_NR@ (3)
- Regional/ North America/ United States/ Maryland/ Travel and Tourism/ National Parks and Monuments/ Clara_Barton_NHS@ (1)
- Regional/ North America/ United States/ Virginia/ Science and Environment/ Parks/ National Parks and Monuments/ Colonial_NHP@ (1)
- Regional/ North America/ United States/ Colorado/ Travel and Tourism/ Parks/ National Parks and Monuments/ Colorado_NM@ (3)
- Regional/ North America/ United States/ South Carolina/ Travel and Tourism/ Parks/ National Parks and Monuments/ Congaree_Swamp_NM@ (3)
- Regional/ North America/ United States/ Arizona/ Travel and Tourism/ Parks/ National Parks and Monuments/ Coronado_NM@ (2)
- Regional/ North America/ United States/ South Carolina/ Travel and Tourism/ Parks/ National Parks and Monuments/ Cowpens_NB@ (3)
- Regional/ North America/ United States/ Oregon/ Travel and Tourism/ National Parks and Monuments/ Crater_Lake_NP@ (4)
- Regional/ North America/ United States/ Idaho/ Travel and Tourism/ National Parks and Monuments/ Craters_of_the_Moon_NM@ (1)
- Regional/ North America/ United States/ Kentucky/ Travel and Tourism/ Parks/ National Parks and Monuments/ Cumberland_Gap_NHP@ (2)
- Regional/ North America/ United States/ Georgia/ Travel and Tourism/ Parks/ National Parks and Monuments/ Cumberland_Island_NS@ (3)
- Regional/ North America/ United States/ Colorado/ Travel and Tourism/ Parks/ National Parks and Monuments/ Curecanti_NRA@ (3)
- Regional/ North America/ United States/ Ohio/ Travel and Tourism/ Parks/ National Parks and Monuments/ Cuyahoga_Valley_NRA@ (5)
- Regional/ North America/ United States/ Indiana/ Travel and Tourism/ Parks/ National Parks and Monuments/ George_Rogers_Clark_NHP@ (1)
- Regional/ North America/ United States/ Georgia/ Travel and Tourism/ Parks/ National Parks and Monuments/ Jimmy_Carter_NHS@ (1)
- Regional/ North America/ United States/ California/ Travel and Tourism/ Parks/ Wilderness_Areas@ (4)
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