Both located in Utah,Bryce Canyon 
                                              and Arches Park offer to the visitors 
                                              a sequence of unusual rocky formations 
                                              modelled by physical agents.In the 
                                              first one you can see rock castles 
                                              and needles inside incredible coloured 
                                              amphitheatres;instead from the four 
                                              panoramic positions you can admire 
                                              suggestive series of pink limestone. 
                                              Arches Park bears its name from 
                                              the several stone arches which are 
                                              located inside it;you can see some 
                                              of them driving along the main park 
                                              lane but the most beautiful ones 
                                              are reachable only if you walk..