a large area of land preserved in its natural state as public property

a national park in Maine showing marine erosion and glaciation; includes seashore and also the highest point on the Atlantic coast

a national park in Utah including mountains and the Colorado River gorge and huge rock formations caused by erosion

a national park in South Dakota having multicolored peaks and spires resulting from erosion; fossil sites

a large national park in Texas featuring mountains and desert and canyons and wildlife

a national park in Florida having underwater coral reefs and marine life

a national park in Maine showing marine erosion and glaciation; includes seashore and also the highest point on the Atlantic coast

a national park in Utah including mountains and the Colorado River gorge and huge rock formations caused by erosion

a national park in South Dakota having multicolored peaks and spires resulting from erosion; fossil sites

a large national park in Texas featuring mountains and desert and canyons and wildlife

a national park in Florida having underwater coral reefs and marine life