Hello friends! I need to know what the official font for National Geographic maps is called and where it can be downloaded. Greetings!

Gill Facia  Suggested by andrewscorke 

Set of proprietary typefaces designed by Charles Riddiford exclusively for National Geographic.
Not available for purchase or download.

https://www.nationalgeographic.com/maps/national-geographics-cartogaphic-typefaces/

If you'd like similar typefaces, I'd suggest:

Gill Facia: https://www.myfonts.com/fonts/mti/gill-facia-mt/

English Engravers Roman: https://www.myfonts.com/fonts/smith-hands/english-engravers-roman/