Old Faithful Geyser Basin – aka Upper Geyser Basin One of our first stops in Yellowstone Park was the infamous Upper Geyser Basin – the fascinating, much-loved, crowded, trampled Basin. The most famous spot in the park – visited by most who come to the area. Crowded and occasionally frustrating, once you venture away … More It’s Crowded! It’s Mobbed! So Many People Speaking others Languages! It’s…Old Faithful!