Photograph: Tequendama Falls, n.d.
A 20th-century photograph of Salo de Tequendema in Colombia, taken by Gumersindo Cuéllar Jiménez.
A 20th-century photograph of Salo de Tequendema in Colombia, taken by Gumersindo Cuéllar Jiménez.
In addition to depicting a phase of the channelization works of the San Francisco River, this image shows Bogotá’s urban landscape, with the Eastern Mountains in the background and trees such as eucalyptus, pines and cypress along the river.
This 1880 map centered on Chicago displays the early CB&Q railroad route.
Map of the “Great Republican Valley” showing Burlington & Missouri River Rail Road lands for sale in Nebraska (1879).
A spread from a Burlington Route brochure promoting train travel as a life-changing adventure.
A Burlington Route brochure promoting the new “Vista-Dome” coaches in 1955.
Rachel Carson testifying before the Senate Government Operations subcommitte.
Covering the crater of a 1977 nuclear test, the “Cactus Dome” contains 84,000 cubic meters of radioactive soil.
This 1988 photograph by Richard Misrach portrays the influential activist group Princesses Against Plutonium.
Franz Kebl photographed the propeller sled Schneespatz, used in Alfred Wegener’s 1930 Greenland expedition.