Best Hot Springs Around the World that are Earth’s Greatest Gift to Mankind Blue Lagoon, Iceland, a geothermal spa. The outdoor bath remains year round. The natural ingredients of the warm water: mineral salts, white silica, and blue green algae
The Blue Lagoon, Iceland - Just a drive from Reykjavik the lunar landscape of the Blue Lagoon is Iceland's most famous attraction. Don't miss a soak in these milky, mineral-rich waters heated from deep within the earth.