I was surprised at the impressive sights and magnitude of Colorado National Monument when I first visited it. The idea of it being a national monument rather than a national park led to significantly lesser expectations of what it has to offer. In my opinion, Colorado National Monument has the "outstanding scenic feature or natural phenomena" that is part of the distinction between national park and national monument.
The previous photograph was taken very near the Canyon Rim Trail trail head which is very close to the Saddlehorn Visitor Center.
The 23-mile Rim Rock Drive connects the Fruita entrance of Colorado National Monument to the Grand Junction entrance. It is described as, "one of the grandest scenic drives in the American West" that "offers redrock canyons, crisp blue skies, and glorious views along the way for motorists and bicyclists." I also agree with that page's assessment that "the road is inseparable from the identity of the Monument."
Many of the trails at Colorado National Monument are short and easy and many are easily accessible from Rim Rock Drive. Canyon Rim Trail is very accessible, especially from the Fruita entrance, and provides spectacular views of some of the canyon's most notable features.
There has been recent renewed interest in making this a national park as described in the 2 April 2014 Denver Post article Colorado National Monument in new effort to become national park. The current proposal is to name it Rim Rock Canyons National Park.