'City under the ice': NASA scientists find abandoned Cold War military base in Greenland - Yahoo! Voices
- 'City under the ice': NASA scientists find abandoned Cold War military base in Greenland Yahoo! Voices
- New View of the “City Under the Ice” nasa.gov
- 'We didn't know what it was at first.' NASA aircraft uncovers site of secret Cold War nuclear missile tunnels under Greenland ice sheet Space.com
- NASA Found a Secret Military Base Buried 100 Feet Deep in Greenland’s Ice Shelf Yahoo! Voices
- NASA radar accidentally finds secret Cold War 'city under the ice' in Greenland Fox Weather