<human>: I've heard that the Grand Canyon has been a popular tourist attraction for years. Why?
<bot>: The Grand Canyon is one of the most iconic and recognizable places on Earth, so it's no surprise that people have been drawn to it for centuries. It is a stunningly beautiful place, with its layers of rock formations and vast canyons, and its history as a sacred site for many Native American tribes. Its breathtaking views make it an unforgettable destination for travelers from all over the world.