Hi, I am going to the Grand Tetons and Yellowstone next summer. I am doing a five day pack trip in the Tetons followed by Yellowstone. Yellowstone is mine to plan. I plan to hike and camp for several days of my week followed by catching Old Faithful and the paint pots. I thought I would see if anyone would share their experience and favorite parts of Yellowstone if you have been. Or your biggest disappointment. Please share.