The best example of a natural infinity pool is tucked away in a small corner of the U.K.'s Lake District National Park, next to the serene Buttermere ... views in the United Kingdom.

Follow this AllTrails link for more. Head out on this 7.4-km loop trail near Buttermere, Cumbria. Generally considered a moderately challenging route, it takes an average of 1 h 54 minutes to ...