Catatumbo Lightning
Catatumbo lightning is an atmospheric phenomenon that occurs over the mouth of the Catatumbo River in northern Colombia. It occurs between 140 and 160 nights per year, ten hours per day, and up to 280 times per hour. The phenomenon is caused by a mass of storm clouds at an altitude greater than 1 kilometer.
Icelandic Basalt Coastline
As basaltic lava cools over a period of time, geometric shapes are formed, resulting in the incredible columns of hexagonal basalt rock that can form cliffs on the coastline. They can be found all over the world, but the above image depicts a basaltic coast in Iceland.