Introduction to the Petrified Tree Forest: The Petrified Tree Forest is located near Roosevelt Cabin. Forty million years ago, due to the volcanic eruption, volcanic ash and mudflows erupted, burying more than one hundred square kilometers of trees in the north of Yellowstone Park. , so that the trees are isolated from the air and will not burn. Over the years, the organic matter in the trees is gradually replaced by the minerals in the lava. After the outer layer of the tree is eroded away, it becomes a "tree fossil". Some tree fossils can still be seen, still standing upright, which is a unique and unique attraction in Yellowstone Park.
Attraction