Our Pick
Posted on @rawstates
Stapleton Airport opens
1929
Denver, Colorado
Public domain · Wikimedia Commons
Derided as Stapleton's Folly for being built on prairie far from town. It became a major hub, was strangled by the city growing around it, and closed in 1994. The runways are now a neighbourhood.
That was 1 of the hidden places.
Location: historic site
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