Featured exhibition
GM's Powerama: The forgotten 1955 Chicago spectacle where General Motors spent $82 million to make 35-ton bulldozers dance the mambo, lose to elephants, and showcase a bizarre, futuristic vision of American progress.
From the archive
Somebody with a camera and an airplane seat in the 1950s pointed the lens straight down at a mountainside and got exactly what a geologist would want and what a
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