Final answer:
Wyoming is the state that encompasses Yellowstone National Park, Grand Teton National Park, Devil's Tower National Monument, among other significant natural sites. It's known for its unique geological features including Steamboat Geyser, the highest altitude lake in North America, and the Yellowstone Hotspot.
Step-by-step explanation:
The state has Yellowstone National Park, the first national park in the world, as well as the highest altitude lake in North America, and Steamboat Geyser which is the largest active geyser, Grand Teton National Park, Devils Tower National Monument, Fossil Butte National Monument, John D. Rockefeller Jr. Memorial Parkway, and Fort Laramie National Historic Site is Wyoming.
This state's unique geological features attract millions of visitors annually. Yellowstone National Park is not only a national treasure but a global one, being the first of its kind to be established in 1872 under President Ulysses S. Grant. The park covers an extensive area of over 2.2 million acres, spreading into parts of Montana and Idaho, but primarily it resides in Wyoming.
In addition to its geysers and hot springs, the park's volcanic history is a major geological focus, stemming from the Yellowstone Hotspot which is still active today. Devils Tower National Monument is another iconic landmark located in the northeastern part of Wyoming, recognized for its impressive columnar basalt formations. The state's commitment to preserving these natural wonders is evident in the continuing effort to balance conservation and visitor engagement.