As it turns out, this abandoned "secret city" was the site of a secret Cold War project known as Project Iceworm which called for the construction of 2,500 miles (4,023 km) of tunnels that could be used to nuclear intermediate range ballistic missiles (IRBMs) at the Soviet Union.

NASA's radar revealed Camp Century, a Cold War base under Greenland's ice. It provides data on ice sheet melting and rising sea levels.

NASA scientists have discovered the former military base Camp Century in Greenland. The discovery was made during tests of a device used to study the interior of glaciers. Although the base's existence was no longer a secret,