The Blue Lakes Hiking Trail near Telluride, situated above the tree line at about 12,400 feet, offers a gorgeous hike past alpine lakes and the peaks of Yankee Boy Basin. Hikers often tackle it as a day-long excursion, taking in the sight of colorful wildflowers and everything from marmots to mountain goats or sheep. If you’re staying in Denver and want to try something similar, you can take this private day tour of Mount Evans, which includes spectacular views from the top of the famous ‘14er’, as well sightings of wildlife like bighorn sheep, elk, and bison.