Monument Valley is a place that brings delight and awe to all who see it. It is desolate except for the giant sandstone monoliths, which are also known as Buttes. These monuments were created over millions of years. They have been forming since the Permian and Triassic Periods. It is a desert, but the hardest rocks have managed to erode more slowly than the areas around them. This is why they stand tall and proud above the desert floor. In other words, these beautiful buttes were formed by erosion, which was caused by water, wind, and temperature changes over time. If you are ever in search of a special place to visit, we suggest you start here.