- The ancient Pueblo Indians first inhabited the Grand Canyon over 3,000 years ago. They used the caves for shelter and stored grain in rooms cut out of the rocks.
- The Grand Canyon was a sacred site to the pueblo people. They made pilgrimages to it.
- People take helicopter rides into the canyon.
- The canyon is 4 miles across at the narrowest point.
- President Theodore Roosevelt often visited the canyon to tour and hunt. He guided the - decision to make the canyon a national park.
- John Wesley Powell, for whom Lake Powell is named, was the first to lead an expedition into the Grand Canyon in 1869. He gave the canyon its name.
- The weather here is extreme. In the summer, the temperature rises to 100 degrees Fahrenheit or more. Winter temperatures can fall to 0 degrees.
- The air here is some of the cleanest in the U.S.