Lava and ash floes in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

lava ash floes galapagos islands ecuador volcanic geology landscape natural unesco south america nature formations terrain travel adventure eruption environment tourism biodiversity ecosystems islands ocean wildlife conservation exploration centuries topography rock formation picturesque outdoors climate volcanic activity unique exotic remote scenic pristine cultural heritage history hiking trails blue sky coastal geological formations natural wonder earth rocky flora