Towards the northeastern coast of County Antrim in Northern Ireland is the spectacular natural phenomenon known as the Giant's Causeway. About 40 thousand basalt columns, produced by volcanism over 50 ...
Along parts of Portugal’s Atlantic coastline, especially on Madeira Island, cliffs rise in neat vertical columns that look uncannily like the pipes of a giant organ. These striking formations are not ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results