Thermopolis is a city located in the state of Wyoming, United States. It is the county seat of Hot Springs County. The city is known for its hot springs, which are the largest mineral hot springs in the world. The name "Thermopolis" is derived from the Greek words for "hot" and "city." The hot springs attract tourists from around the world, who come to relax in the natural mineral waters. In addition to the hot springs, Thermopolis is also home to the impressive Wyoming Dinosaur Center, which houses an extensive collection of dinosaur fossils. The city has a small population of around 3,000 people, and it offers a peaceful and scenic environment for residents and visitors alike.