A woman leans on the entrance to one of Bordighera's gardens in Italy, 1928.Photograph by Hans Hildenbrand, National Geographic Creative

Hillside houses overlook smoke-belching steel mills in Pittsburgh, Pennsylvania, 1949. Photograph by John E. Fletcher and Anthony B. Stewart, National Geographic Creative

Women sit for a portrait in Salzburg, Austria, 1929. Photograph by Hans Hildenbrand, National Geographic Creative

Children play barefoot in a cactus garden on the Canary Islands, 1955. Photograph by Franc and Jean Shore, National Geographic Creative

Men climb the mast of a fishing boat to furl the sail in Port Said, Egypt, 1924. Photograph by Maynard Owen Williams, National Geographic Creative

Porpoises leap inside a man-made lagoon in Oahu, Hawaii, 1966. Photograph by Thomas Nebbia, National Geographic Creative

A chorus line high kicks during a show at Cafe Le Can Can in Miami Beach, Florida, 1963. Photograph by Dean Conger, National Geographic Creative

An informal portrait of a well dressed fashion designer at his easel in France, 1918. Photograph by H. C. Ellis, National Geographic Creative

People relax beside a swimming pool at a country estate near Phoenix, Arizona, 1928. Photograph by Clifton R. Adams, National Geographic Creative

People peer through a natural window in the castellated cliffs above the river in White Cliffs, Montana, 1971. Photograph by Volkmar K. Wentzel, National Geographic Creative

A man stands next to the cross section of a giant redwood tree in California, 1909. Photograph courtesy U.S. Forest Service

A camper finds insect eggs under a lily pad in Wisconsin, 1974. Photograph by Steve Raymer, National Geographic Creative

People picnic on the rocky heights that overlook Harpers Ferry in Maryland, 1962. Photograph by Volkmar K. Wentzel, National Geographic Creative

Men on horseback run through the surf in Tahiti, 1922. Photograph by Edward Burton MacDowell, National Geographic Creative

Shell hunters in sunglasses examine a lion's paw, a prized find on Sanibel Island in Florida, 1959. Photograph by Paul Zahl, National Geographic Creative

A view of the ornate art and architecture of a building in Chennai, India, 1948. Photograph by Volkmar Wentzel, National Geographic Creative

Elderly garden enthusiasts in raingear take notes in an iris garden in Concord, Massachusetts, 1959. Photograph by M. Williams Woodbridge, National Geographic Creative

Seated villagers wave arms as they enact a play in front of a temple in Bali, Indonesia, 1969. Photograph by Donna and Gilbert M. Grosvenor, National Geographic Creative

A girl pets a calf in Scotland, 1918. Photograph by William Reed, National Geographic Creative

An Ouled Nail woman in Algeria wears a tattoo that is customary for dancers, 1949. Photograph by Maynard Owen Williams, National Geographic Creative