Visitors of the Mount Washington Hotel may be familiar with the beautiful art that decorates the walls around the lobby area. More observant visitors may even recognize some of the White Mountain tourist attractions that these illustrations show: the Basin, the Old Man of the Mountain, and Garnet Pool. Even the most well-versed of White Mountain aficionados may not have any idea what the Garnet Pool is. The picture in the lobby doesn’t do much to help, either, since it has no location listed. But a little bit of research…