Posts tagged west thumb
Travel With Me: Yellowstone National Park (Day Two)

Our first stop of the day was to see (besides Old Faithful) one of the most iconic features of Yellowstone: its Grand Canyon and staggering waterfall. Yellowstone River, the longest undammed river in the continental United States, carved this canyon through erosion about 10,000 to 14,000 years ago (making it relatively new in geological terms). The canyon walls are painted in yellows, oranges, and reds from the iron compounds in the rock--as the iron is oxidized, the rocks rust. 

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