See the best sights of the Golden Circle, and visit the Secret Lagoon with this hassle-free bus tour,Get away from the crowded Blue Lagoon and take a relaxing dip in the Secret Lagoon, the oldest geothermal bath in Iceland,Soak in the fantastic surroundings while enjoying the bath's comfortable temperatures of 36-40°C (97-104°F),If you come during winter, you may get the chance to see the Northern Lights