CALIFORNIA — If you are a "rock nerd" living in California or ... world and ranks as one of the world's finest examples of ...

Climbing has been baned on the famous basalt columns in Armenia including Arpa Gorge and Garni Gorge. Up until recently one used to climb on some truly unique rock in Armenia, up hexagonal basalt ...

The columns generally have five sides ... The rock is very hard, and of a dark color, and belongs to that class of rocks denominated basalt by geologists. The whole ledge presents the appearance ...