1. Maroon Lake and Maroon Bells, near Aspen
2. Hanging Lake, in Glenwood Canyon
3. The Great Sand Dunes, near Crestone
4. Molas Lake & Molas Pass, between Durango and Silverton
5. Lone Eagle Peak and Crater Lake Trail, near Granby
6. Wheeler Geologic Area, near Creede
7. Pikes Peak, near Colorado Springs
8. Fish Creek Falls, near Steamboat Springs
9. Mount Evans, near Denver
10. Shrine Pass, near Cooper Mountain
11. Lost Creek Wilderness, near Deckers
12. Blue Lake in the Indian Peaks Wilderness, near Boulder
13. Devil's Causeway, near Yampa
15. Crystal Mill, near Marble
16. Chimney Rock National Monument, near Pagosa Springs
17. Rocky Mountain National Park
Update: A previous version of this post incorrectly stated that #12 was the Blue Lake near Telluride.