Geyser
Yellowstone is the largest geyser locale, containing thousands of hot springs, and approximately 300 to 500 geysers. It is home to half of the world's total number of geysers in its nine geyser basins. It is located mostly in Wyoming, USA, with small portions in Montana and Idaho. Yellowstone includes the world's tallest active geyser (Steamboat Geyser in Norris Geyser Basin), as well as the renowned Old Faithful Geyser, Beehive Geyser, Giantess Geyser, Lion Geyser, Plume Geyser, Aurum Geyser, Castle Geyser, Sawmill Geyser, Grand Geyser, Oblong Geyser, Giant Geyser, Daisy Geyser, Grotto Geyser, the Fan & Mortar Geysers, & the Riverside Geyser, all in the Upper Geyser Basin which alone contains nearly 180 geysers.
Newberry Volcano
The center of Newberry Volcano lies to the south of the city of Bend, at the intersection of Deschutes, Klamath, and Lake Counties in the U.S. state of Oregon. Newberry is one of the most accessible volcanoes in the state. The largest volcano in the Cascade Volcanic Arc, with roughly the same area as the state of Rhode Island at when its lava flows are taken into account, it lies east of the major crest of the Cascade Range in the High Lava Plains region, rising above its surroundings. From its northernmost to southernmost point, the volcano is in length, with a width of , and a total volume of about . Because of its enormous size and topographic prominence, it is often confused for an entire mountain range.