A father and son went on a bike ride in Estes Park, Colorado, when they encounter six trophy bull elks strolling towards their path on Saturday (June 27).br br "My son and I both riding our bikes...in Old Fall River Road at Rocky Mountain National Park and came across a group of six trophy bull elks strolling towards us," the filmer said. br br "We stopped, waited, and watch these magnificent creatures pass us. br br "It was a once in a lifetime experience.