view of lake pingvallavatn and pingvellir national park, iceland

lake thingvallavatn thingvellir national park iceland tectonic plates trout fish lava field parliamnet reykjavik vikings saga north american eurasian river unesco world heritage site landmark wilderness fissure islands plate rift attraction outdoors pingvellir icelandic landscape water nature sky scenic tourism rock travel scenery view valley green sightseeing summer clouds golden circle pingvallavatn