geothermal gern lake at wai-o-tapu, new zealand

geothermal new zealand lake island landscape nature north park rotorua thermal travel volcanic waiotapu wonderland valley boiling colorful crust edge empty geology geothermic green heat hot hydrothermal mineral nobody pool scenery scenic sightseeing smoke spectacular spring steam sulfur sulphur taupo tourism turquoise unique water attraction blue cloudy colour crater gern