thingvellir national park, golden circle tour, in iceland

basalt beauty canyon church circle cloud cold color conservation countries culture cultures destinations environmental europe extreme famous geology gold golden grass green heritage hill history horizontal iceland island journey lake landmark landscape lava made man meadow mountain national nature nordic outdoors panoramic park parliament passion people pingvellir place power ridge river rock scandinavian scene scenics separation sky space stone stream summer sunrise tectonic terrain thingvallavatn thingvellir tourism tourist travel unesco vacations valley view volcanic volcano water waterfall wild