Grand canyon overnight tour intror r spend two days and a night on the grand canyon overnight tour and see one of the seven natural wonders of the world created by the forces of the mighty colorado river over two billion years see the immense hoover dam stroll along the canyon rim enjoy a wide variety of hikes through the worldandrsquos largest natural theatre and morer r grand canyon overnight tour overviewr r r visit one of the seven natural wonders of the world on the grand canyon