Rank #91
The Black Canyon of the Gunnison National Park, USA
The Black Canyon of the Gunnison National Park in the USA is a stunning natural wonder. Located in western Colorado, the park is home to the deepest and most dramatic section of the Gunnison River gorge. The canyon walls are steep and sheer, plunging 2,700 feet from the top
From Wikipedia
The North Rim Road, Black Canyon of the Gunnison National Park, near Crawford, Colorado was built during 1933–38. It is an approximately five mile long roadway, with viewpoints and associated structures. It is recognized as a "designed landscape". It includes five overlooks over the Black Canyon of the Gunnison.