One of the top destinations in the country, it's easy to see why Grand Canyon enjoys such popularity, attracting around five million visitors every year. Opening up into an 18-mile (29km) wide gorge through which the Colorado River carves its way, the park's red rust landscape is incredibly atmospheric.

Open year round, the canyon's South Rim is the most popular place to explore. The North Rim (open seasonally) has fewer crowds, while Grand Canyon West is home to the Skywalk. When it came to ranking America's most stunning natural wonders, the Grand Canyon had to be number one.

Now see how we've ranked the world's most wonderful views