1,776 hills spread over an area of more than 50 square kilometres (20 square miles). They are covered in green grass, and because of the way they appear when turning brown in the dry season, they were named the Chocolate Hills.
The Wave is made out of 190 million year old sand dunes that have turned to red rock, on the border of Arizona and Utah.
Azure Window is a natural archway in the island of Gozo, Malta and it is one of the natural wonders of Europe.
This giant human head rock on top of the Bucegi Mountains has sparked the interest of the curious along the years.
A sea stack of volcanic origin, standing above the water, 2 kilometers northeast of the island of Stromboli.
