There is a paved road through Rocky Mountain National Park, but you can also drive up the unpaved Old Fall River Road.
The first site on the Old Road is this alluvial fan. It was formed in 1982, when a dam 4 miles uphill failed, and rocks and sediment came crashing down, along with 29 million gallons of water. A dam downstream also failed, and six-foot deep flood waters entered the town of Estes Park. Finally the next dam held and controlled the floodwaters.
Chasm Falls is very pretty, and missed if you take the main paved road.
But on the main road, you can see these two beautiful hanging lakes.
Soon, you're above the tree line.
The road goes up over 12,000 feet above sea level. At the Alpine Visitor Center, you get a good view of a cirque, formed by glacial ice.
And down in the valley below the visitor center are a bunch of elk. Do they pay them to come entertain the tourists? Here are a bunch of males-
And here are the females. Hmmmmmm.... Isn't this mating season?? Do I have to explain how this works??