Discover the otherworldly landscapes and relaxing thermal powers of iceland on this day trip from reyjavik with an expert guide see the nesjavellir power plant and geothermal fields around lake thingvallavatn and then follow the golden circle sightseeing route around its famous sites view rugged thingvellir national park the geysir hot springs and gullfoss waterfall and stop on route at the laugarvatn fontana geothermal baths a spa overlooking lake laugarvatn bathe in the warm outdoor po