According to guides, the Ute Mountain Tribal Park contains more Ancestral Puebloan sites than Mesa Verde National Park.
Before the creation of three dams upstream of Black Canyon of the Gunnison National Park, the Gunnison River was as much as five times more powerful than it is today.
The Great Sand Dunes National Park and Preserve contains the tallest sand dunes in North America, and is one of the most fragile and complex dune systems in the world.
Free, fresh-from-the-tap samples are offered at the end of each tour to visitors 21 years of age and older.
The purple row of seats in the upper deck indicates the exact height of one mile above sea level (5,280 feet).
