A married student studies as his wife serves dinner to their daughter in Coral Gables, Florida, November 1950.Photograph by Volkmar K. Wentzel, National Geographic

A married student studies as his wife serves dinner to their daughter in Coral Gables, Florida, November 1950.
Photograph by Volkmar K. Wentzel, National Geographic

A wrapped juvenile camel rides between packs on a camel’s back in Western Australia, December 1916.Photograph by C. P. Scott, National Geographic

A wrapped juvenile camel rides between packs on a camel’s back in Western Australia, December 1916.
Photograph by C. P. Scott, National Geographic

Part of Madrid’s old city walls stands as monumental gate in traffic circle, December 1951.Photograph by Luis Marden, National Geographic

Part of Madrid’s old city walls stands as monumental gate in traffic circle, December 1951.
Photograph by Luis Marden, National Geographic

Fifty-two stories high, city noises fade and vistas expand. Chicago, June 1967.Photograph by James L. Stanfield, National Geographic

Fifty-two stories high, city noises fade and vistas expand. Chicago, June 1967.
Photograph by James L. Stanfield, National Geographic

Parisians walk on the street past lottery and vermouth advertisements in 1935.Photograph by Maynard Owen Williams, National Geographic

Parisians walk on the street past lottery and vermouth advertisements in 1935.
Photograph by Maynard Owen Williams, National Geographic

A couple inspects a beach house destroyed after a storm in March 1962.Photograph by B. Anthony Stewart, National Geographic

A couple inspects a beach house destroyed after a storm in March 1962.
Photograph by B. Anthony Stewart, National Geographic

A view of the city as seen from the fountain of Santa Maria in Santiago de Compostela, Spain, 1929.Photograph by Jules Gervais Courtellemont, National Geographic

A view of the city as seen from the fountain of Santa Maria in Santiago de Compostela, Spain, 1929.
Photograph by Jules Gervais Courtellemont, National Geographic

A group of scarabs from the Scarabaeid family, July 1929.Photograph by Edwin L. Wisherd, National Geographic

A group of scarabs from the Scarabaeid family, July 1929.
Photograph by Edwin L. Wisherd, National Geographic

Students swing to a jazz band in a bamboo-lined student center in Vienna, February 1959.Photograph by Volkmar K. Wenztel, National Geographic

Students swing to a jazz band in a bamboo-lined student center in Vienna, February 1959.
Photograph by Volkmar K. Wenztel, National Geographic

Buckets of iron ore are transported to a major steelworks in Hunedoara, Romania, November 1975.Photograph by Winfield Parks, National Geographic

Buckets of iron ore are transported to a major steelworks in Hunedoara, Romania, November 1975.
Photograph by Winfield Parks, National Geographic

Navy pilots test their steadiness and muscular coordination in Corpus Christi, Texas.Photograph by the U.S. Navy

Navy pilots test their steadiness and muscular coordination in Corpus Christi, Texas.
Photograph by the U.S. Navy

Luray Cavern’s cave pool has become a wishing well where visitors toss in coins, Virginia, June 1974.Photograph by David Boyer, National Geographic

Luray Cavern’s cave pool has become a wishing well where visitors toss in coins, Virginia, June 1974.
Photograph by David Boyer, National Geographic

People strolling through a park in Finland during a wet May snowstorm, 1968.Photograph by George F. Mobley, National Geographic

People strolling through a park in Finland during a wet May snowstorm, 1968.
Photograph by George F. Mobley, National Geographic

View of the Palace of Maharaja’s pond from the Island of the Sultans in Udaipur, India, 1923.Photograph by Jules Gervais Courtellemont, National Geographic

View of the Palace of Maharaja’s pond from the Island of the Sultans in Udaipur, India, 1923.
Photograph by Jules Gervais Courtellemont, National Geographic

Two boys fishing in Connecticut.Photograph by B. Anthony Stewart, National Geographic

Two boys fishing in Connecticut.
Photograph by B. Anthony Stewart, National Geographic