Yellowstone National Park
Yellowstone National Park has one of the world's largest petrified forests, trees which were long ago buried by ash and soil and transformed from wood to mineral materials. This ash and other volcanic debris are believed to have come from the park area itself as the central part of Yellowstone is the massive caldera of a supervolcano. The park contains 290 waterfalls of at least , the highest being the Lower Falls of the Yellowstone River at .
List of mountains and mountain ranges of Yellowstone National Park
Yellowstone National Park, located primarily in the U.S. state of Wyoming, though the park also extends into Montana and Idaho and its Mountains and Mountain Ranges are part of the Rocky Mountains. There are at least 70 named mountain peaks over in Yellowstone in four mountain ranges. Two of the ranges—The Washburn Range and the Red Mountains—are minor and completely enclosed within park boundaries. The other two ranges are major, multi-state ranges that extend far beyond the boundaries of the park. The Gallatin Range begins approximately north of Yellowstone near Bozeman, Montana, and dominates the northwest corner of the park. The Absaroka Range, the largest range in the park, begins approximately north of the park near Livingston, Montana, along the Yellowstone River and runs southeast into, then south through the entire eastern side of the park to the Wind River Range in Wyoming. The highest peak in the park, Eagle Peak is in the Absaroka Range. Yellowstone also has several isolated peaks over on the plateaus that dominate the central, western and southwestern sections of the park.