From the Honda Goldwing GL1800 with its armchair-like seat, built-in GPS, and airbag ready to glide for 400 miles on a single tank, to the BMW R1250 GS Adventure packing a massive 7.9-gallon tank for 600-mile range and electronics that adapt to any road, these machines are built to devour continents with ease. Let's watch the video to see which bike turns every ride into an endless journey…