Oman today_ The Grand Canyon in the United States is one of the most famous and largest canyons in the world. This massive gorge, with a depth of over 1,800 meters and a width that spans up to 29 kilometers in some areas, was formed over millions of years through erosion caused by the Colorado River. The canyon’s colorful rock layers, showcasing the geological history of the Earth, make it one of the most captivating tourist destinations in the world.