Thermal baths are natural hot springs that provide warm, mineral-rich water for bathing and relaxation. These baths are often found in areas with geothermal activity, where the Earth's heat warms underground water. People visit thermal baths for their potential health benefits, including improved circulation and relief from muscle pain. Many thermal baths are located in beautiful settings, such as mountains or forests, making them popular destinations for wellness tourism. Facilities may offer various amenities, including saunas, steam rooms, and massage services. Some well-known thermal baths include those in Iceland, Hungary, and Japan.