1. YELLOWSTONE YELLOWSTONE LAKE OLD FAITHFUL GEYSER HADAYEN VALLEY GRAND CANYON OBSIDIAN CLIFF MAMMOTH HOT SPRINGS

5. INFORMATION in the northwest corner of Wyoming the oldest National park in the world 3 million tourists visit it every year Upper Geyser Basin – Old Faithful the most famous geyser in the Yellowstone height of the erruption: 44m – Grand Prismatic Spring the largest hot spring in the United State has colours of rainbow Yellowstone lake – the largest freshwater lake in North America Hadayen Valley – good place for watching animals (e.c. grizly bear, bizons,..) Grand Canyon of the Yellowstone – Yellowstone river, 39 km long – Upper and Lower Falls Obsidion Cllif (rock wall) The Yellowstone Caldera – largest volcanic system in North America