Globetrotter Challenge

I don't see the Globetrotter Challenge discussed here. I can't seem to search well here, though. Did I miss any threads?

https://moonfi.tumblr.com/post/648299997612408832/g-l-o-b-e-t-r-o-t-t-e-r-c-h-a-l-l-e-n-g-e-your