There is a book by Ted Conover -- Coyotes -- in which he travels with a group of undocumented agriculture workers and documents their experience. He asks: how do they navigate around the U.S. to get from say working apples in Washington State to working citrus in Florida? And is answered something like "we drive east until it warms up, then make a right when we see the old man with a beard". A cross-country odyssey that hinges on spotting the correct Colonel Sanders, then turning right.
I've got papers and I work in e-commerce, but we do have this in common: I travel a lot for work too. Most of my trips take me through Houston. And for me, the mental map of the world is understood in relation to the Bass Pro Shop in Houston airport. My big question is: "... do I turn right or left at the Bass Pro shop to reach the gate for ____ ?"