Add Yahoo as a preferred source to see more of our stories on Google. Giant's Causeway in Northern Ireland features around 40,000 exposed polygonal columns of basalt in perfect horizontal sections.

This video shows a large wall of basalt columns rising from a grassy volcanic landscape in Iceland. The tall stone formations ...

Sometimes natural processes can create surprisingly complex and regular patterns, fooling some into thinking they discovered the artifacts of a lost civilization. One striking example of such ...

Discover breathtaking waterfalls surrounded by dramatic basalt columns that create an Iceland-like landscape without traveling across the world. A stunning natural destination filled with scenic ...

This collection of basalt columns was recorded in a canyon north of Molokai, at a depth of just over a mile, according to Nautilus Live Ocean Exploration Trust. YouTube video screengrab Newly recorded ...

There has been a wave of articles over the last few weeks out on the geoblogosphere on columnar jointing in lavas – with many, many great images of columns seen aroundthe world. I thought I’d jump in ...

GEOLOGISTS have discovered a spectacular column of prehistoric basalt rock two miles below the surface of the Norwegian Sea in the North Atlantic. The remarkable discovery of the 100 metre thick seam ...