Courage is perhaps our most admirable trait. The man, or woman, who possesses it is able to plunge ahead, despite dangers, despite warnings, despite hazards of all kinds, to attack the task at hand. Often, it is indistinguishable from stupidity.
There's not much to be said for sightseeing. You go somewhere that has a waterfall. You have a beer, watch the water go over the edge, and move on. Tours are all the same. In the end, the only thing that matters is the beer.