Admiral Byrd's ... North Pole Flight to "Agartha" (diary audiobook)
Admiral Byrd's diary from 1926,
in which he confirms seeing a Mammoth,
at 74 degrees Fahrenheit..
Disc shaped flying ships with swastikas emblazoned on them....
The City must be New Berlin ....
in which he confirms seeing a Mammoth,
at 74 degrees Fahrenheit..