Both are very hard to explain in a short synopsis....
But
#1 guy travels America and goes on tree different
Areas travels and or land, river, lake...and partakes of the areas outdoor activities...fishing , hunting, hiking , exploring...
#2 guy is quite different...hE Examines ALL OF MANS IMPACT ON THE EARTH , THE ENVIRONMENT, CLIMATE CHANGE, CONSERVATION AND POLLUTION....BUT it is very intelligent and very observant....his palm springs ,CA episode exhibits...palm springs should not exist in it's present form without mankind....native plants replaced by invasive species...#1 is Kentucky bluegrass and / or other green grass species ....