Motorists pass people on a scenic road atop a cliff overlooking a bay near Trieste, Italy, 1956.Photograph by B. Anthony Stewart, National Geographic Creative

Motorists pass people on a scenic road atop a cliff overlooking a bay near Trieste, Italy, 1956.Photograph by B. Anthony Stewart, National Geographic Creative

A women’s water ski team lifts skis while being towed at 23 mph on Darts Lake in New York, 1956.Photograph by Robert Sisson, National Geographic Creative

A women’s water ski team lifts skis while being towed at 23 mph on Darts Lake in New York, 1956.Photograph by Robert Sisson, National Geographic Creative

Friends eat watermelon outside a beach cottage on a summer afternoon on Roanoke Island, North Carolina, 1955.Photograph by J. Baylor Roberts, National Geographic

Friends eat watermelon outside a beach cottage on a summer afternoon on Roanoke Island, North Carolina, 1955.Photograph by J. Baylor Roberts, National Geographic

A shielded dummy in a basement for atomic bomb testing in Nevada, March 1953.Photograph by Volkmar Wentzel, National Geographic

A shielded dummy in a basement for atomic bomb testing in Nevada, March 1953.Photograph by Volkmar Wentzel, National Geographic

Jagged peaks slice through snow and ice at the South Pole, Antartica, August 1956.Photograph by Jack Fletcher, National Geographic

Jagged peaks slice through snow and ice at the South Pole, Antartica, August 1956.
Photograph by Jack Fletcher, National Geographic

A father and daughter light sparklers in Washington D.C. to celebrate Eisenhower’s homecoming.Photograph by Kathleen Revis, National Geographic

A father and daughter light sparklers in Washington D.C. to celebrate Eisenhower’s homecoming.Photograph by Kathleen Revis, National Geographic

Workers inspect details inside a turbine in Montana, 1952.Photograph by U.S. Department of the Interior

Workers inspect details inside a turbine in Montana, 1952.Photograph by U.S. Department of the Interior

A Civil Air Patrol rescue team aids a pilot whose plane was downed outside of Long Island, May 1956.Photograph by Jack Fletcher, National Geographic

A Civil Air Patrol rescue team aids a pilot whose plane was downed outside of Long Island, May 1956.Photograph by Jack Fletcher, National Geographic

A metal-mesh glove protected a photographer’s hand while he changed flashbulbs during a shoot in Mexico’s Yucatan, 1959.Photograph by Luis Marden, National Geographic

A metal-mesh glove protected a photographer’s hand while he changed flashbulbs during a shoot in Mexico’s Yucatan, 1959.
Photograph by Luis Marden, National Geographic

A teacher and a deaf student practice making sounds in front of mirror at the Clarke School for the Deaf in Massachusetts, March 1955.Photograph by Willard Culver, National Geographic

A teacher and a deaf student practice making sounds in front of mirror at the Clarke School for the Deaf in Massachusetts, March 1955.
Photograph by Willard Culver, National Geographic

A hippopotamus and his mate line up at tank’s edge at feeding time, March 1957.Photograph by Robert F. Sisson and Donald McBain, National Geographic

A hippopotamus and his mate line up at tank’s edge at feeding time, March 1957.
Photograph by Robert F. Sisson and Donald McBain, National Geographic

Children hold an Indian python in a London zoo, June 1953.Photograph by B. A. Stewart and David S. Boyer, National Geographic

Children hold an Indian python in a London zoo, June 1953.
Photograph by B. A. Stewart and David S. Boyer, National Geographic

Women harvest wheat with sickles then bind it by hand in a field in 1956.Photograph by Franc and Jean Shore, National Geographic

Women harvest wheat with sickles then bind it by hand in a field in 1956.Photograph by Franc and Jean Shore, National Geographic

Portrait of two young men dressed up as chinelos for carnival in Tepotzotlan, Mexico, December 1951.Photograph by Justin Locke, National Geographic

Portrait of two young men dressed up as chinelos for carnival in Tepotzotlan, Mexico, December 1951.Photograph by Justin Locke, National Geographic

Rainbow floodlights illuminate the thundering Niagra Falls, New York, November 1956.Photograph by Joseph Paxton Blair III, National Geographic

Rainbow floodlights illuminate the thundering Niagra Falls, New York, November 1956.Photograph by Joseph Paxton Blair III, National Geographic