Natural bridges are rock formations shaped by geological activity over millions of years. Let's take a look at some of these stunning natural structures. Pont d'Arc, FranceA popular tourist attraction ...

Giant's Causeway in Northern Ireland formed ~60 million years ago from cooling lava. The Wave in Arizona, USA, is Navajo Sandstone from the Jurassic period. Moeraki Boulders in New Zealand formed ~60 ...

One of the most impressive and mysterious natural formations that we can observe in the arid areas of our planet are the fairy circles. These are enigmatic circular patterns of bare soil surrounded by ...