What it was like to visit America's national parks in the 1950s

An albino black bear approaches a car in Glacier National Park, Montana. Courtesy U.S. National Park Servmore

A family poses by stacked cannonballs at Shiloh National Military Park, in Mississippi. Courtesy U.S. Nationmore

A park naturalist shows visitors a species of sea life at Acadia National Park, Maine. Courtesy U.S. Nationmore

Traffic congestion at the Giant Forest Gas Station at Sequoia National Park, Tulare County, California. Courmore

A park visitor and a park ranger view a bear warning sign at Glacier National Park, Montana. Courtesy U. S.more

Young visitors inspect a cannon on Antietam National Battlefield, Maryland. Courtesy U.S. National Park Smore

Visitors swim at Little Niagara at Chickasaw National Recreation Area, Oklahoma. Courtesy U.S. National Parmore

The main entrance of the Bright Angel Lodge at Grand Canyon National Park, Arizona. Courtesy U.S. National more

National Park Service employees ride a fan boat at Everglades National Park in Florida. Courtesy U.S. Natiomore

A park ranger gives directions at Yosemite National Park, California. Courtesy U.S. National Park Service

A park fire lookout and his wife keep check on a small woods fire using a high-power telescope and radio for cmore

A National Parks Service employee poses next to a helicopter used to investigate flood damage at Kings Canyon more

A bear sits in the driver's seat of a car at Yellowstone National Park, Wyoming. Courtesy U.S. National Park Smore

Visitors look at a new interpretive sign at Jamestown showing visitors where to go and what to see of the ruinmore

Visitors at the Sutro Baths recreation center at the Golden Gate National Recreation Area, California. Comore

Three black bear cubs approach a car door at Yellowstone National Park, Wyoming. Courtesy U. S. National more

A cracked road following the 1959 Hebgen Lake earthquake at Yellowstone National Park, Montana. Courtesy U.more

Visitors park their car at the Ricksecker Point Overlook in Washington. Courtesy U.S. National Park Service

Picnickers enjoy Paradise Campground, surrounded by snow, with Gibraltar Rock in the background at Mount Rainimore

Visitors on bicycles with the Half Dome in the background Yosemite National Park, California. Courtesy U.S.more

Boy Scouts participate in an obstacle course at the Boy Scouts of America National Jamboree at Valley Forge Namore

A line of vehicles at the west entrance station at Glacier National Park, Montana. Courtesy U.S. National Pmore

A trail crew poses on Lassen Peak summit at Lassen Volcanic National Park, California. Courtesy U.S. National more

A group of people in traditional Hawaiian dress perform a hula on a stage at Hawaii Volcanoes National Park, imore

Bears approach a car in Yellowstone National Park, in Wyoming. Courtesy U. S. National Park Service/Jack E. more