Yellowstone Part 7: At last we visit the magnificent Upper Geyser Basin of Yellowstone. This included a wonderful boardwalk hike, where we saw various active geysers and hot springs of all sizes and colors, to finally be awed by a spectacular eruption at the famous Old Faithful Geyser. Wrapping up with a drive through Firehole Canyon, with one last night of tent camping, then departure back out North Gate, and heading home again…