It sounds far-fetched, but the city is real and younger than you might think.
We didnt know what it was at first.
Nevertheless, the engineering corps built a sprawling base that could host 200 soldiers at a time.
Camp Century as seen by radar from the air.Image: Michala Garrison and Jesse Allen, using UAVSAR data and imagery provided by Chad Greene (NASA/JPL-Caltech) and IceBridge UHF ice-penetrating radar data provided by Joseph MacGregor (NASA/GSFC). Historical photograph courtesy of the National Archives
When Camp Century was built it was nearer to the surface, but the site was abandoned in 1967.
Earlier this year, one such teamfound thousands of Maya buildingsin Mexicos Yucatan peninsula.
The UAVSAR test came off without a hitch, and contained an easter egg from the Cold War.
A tunnel in Camp Century in 1966. Photo: National Archives
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