autumn landscape in thingvellir national park. hringvegur or the golden circle route.

althing beautiful blue canyon circle earthquake environment europe famous geological geology golden hringvegur iceland icelandic landmark landscape lava national natural nature outdoors outlook oxararfoss park pingvellir plate plates powerful rift ring river road rock route scenery scenics seismic sky stone stream summer tectonic thingvellir tourism travel valley volcanic water waterfall