What is the blue lagoon in Iceland?

The Blue Lagoon is a famous geothermal spa located in southwestern Iceland. It is one of the country's most popular tourist attractions and is known for its milky blue waters. The water in the lagoon is rich in minerals, silica, and blue-green algae, which are believed to have therapeutic properties for the skin. People visit the Blue Lagoon to relax, enjoy the warm water, and take in the beautiful surroundings. It also offers various spa treatments and amenities, including saunas, steam rooms, and a range of skincare products made from the lagoon's natural resources.