Caused by particles in a solar wind interacting with Earth's magnetic field, the auroras, also known as the Northern Lights, are naturally occurring lights that create intriguing and eye catching displays. The lights appear to be moving in sheets or waves against the night sky, most frequently during the months of March, April, September and October.
The 277 mile long Grand Canyon has a width that ranges between 4 and 18 miles and falls 1 mile deep. Created by millions of years of erosion by the Colorado River, the Grand Canyon is a massive gorge located in the state of Arizona in the United States. Rocks exist in the canyon that are billions of years old.
Paricutin is a cinder cone volcano in Michoacán, Mexico. Paricutin erupted out of a Mexican cornfield about 200 miles west of Mexico City in early 1943. The official height report claims the volcano is between 9,101 feet and 10,397 feet. Paricutin's last eruption was in 1952.
Victoria Falls is a waterfall located in southern Africa on the borders of Zambia and Zimbabwe. An outpouring of the Zambezi River, the collective height and width of the falls makes it the largest sheet of falling water in the world with spray from the Falls rising a thousand feet in the sky over the Zambezi plain.
Created by living organisms, the Great Barrier Reef includes over 900 islands, over 2,900 separate reefs and supports one of the most diverse ecosystems in the world. The reef stretches over 1,600 miles and can be seen from outer space.
Mount Everest represents the highest spot on the earth's surface. The mountains are located in the Himalaya mountains on the border between Nepal and Tibet. The mountain peak was formed millions of years ago, when the ancient land mass of India collided with Asia.
Also known as Guanabara Bay, is the largest bay in the world based on volume of water. It is surrounded by mountains and rock formations in Rio de Janeiro, Brazil.
