IS THERE A GREAT UNKNOWN LAND -- A PARADISE -- BEYOND THE POLES?

DID ONE OF THE MOST FAMOUS EXPLORERS OF ALL TIME TRAVEL TO THIS "UNDISCOVERED CONTINENT" THAT EXISTS INSIDE THE EARTH?

Said to be the great explorer's "missing journal" describing his mysterious voyage inside the earth which was never revealed to the public. Supposedly, Byrd say a great land beyond the pole that was NOT covered in ice and met beings of a super nature.