The Grand Canyon is located in northern Arizona and is one of the great tourist attractions in the United States. Carved over several million years by the Colorado River, the canyon attains a depth of over 1.6 km (1 mile) and 446 km (277 miles) long.
Yellowstone National Park was the world’s first national park, set aside in 1872 to preserve the vast number of geysers, hot springs, and other thermal areas, as well as to protect the incredible wildlife and rugged beauty of the area. Yellowstone lies on top of a gigantic hotspot where light,hot, molten
As the name suggests, Carlsbad Caverns is a collection of over 115 caves. Located in southern New Mexico, these caverns are carved from limestone, and it is possible for visitors to descend more than 900 feet (275 meters) below the surface of the earth on a guided tour.