Giant's Causeway, County Antrim, Ireland, Basalt Columns

outdoors scene world landmark rocks large rocky geology ecology bizarre hot formations hills formation unusual stones hillside landmarks grasses columns huge landscapes tourism site scenics unique northern anomaly peculiar irregular strange massive geological heritage hilly wonders scenes volcanic volcano volcanoes county basalt ireland attractions ecological sites destinations giant's causeway antrim phenomenon's nature wonder outside grass tourist vertical heavy scenic outdoor attraction natural stone destination travel landscape hill phenomenon scenery eu eu european union atlantic basalt columns cloudy column country countryside day days daytime hillsides holiday destination holiday destinations mountain mountains natural world no people nobody overcast pillar pillars rock formation rock formations rural scenic landscapes skies sky tourist attraction tourist attractions tourist destination travelling travels unesco world heritage site vacation destination vacation destinations color image giant's causeway county antrim