10Grand Canyon, Arizona
The Grand Canyon is arguably the most iconic natural wonder in the United States. Carved by the Colorado River over millions of years, this immense canyon stretches 277 miles long and reaches depths of over a mile. The colorful layers of rock, ranging from deep reds to rich oranges, tell a geological story dating back billions of years. Visitors to the Grand Canyon can explore the South Rim for panoramic views or venture into the canyon on hiking trails like the Bright Angel Trail. Whether you’re standing on the edge or descending into its depths, the Grand Canyon’s sheer scale and beauty are nothing short of awe-inspiring.
