Mount Stephen in Yoho National Park is another adventure seeker must. Famous for its 'stone bugs' which are actually 500 year old fossils that explorers can hold in their hands. Unlike the Natural Bridget, this adventure is going to make you work for the reward though. Before holding the fossils adventure seekers must first tackle the difficult 8km hike with 795m of elevation gain which takes most people 7.5 hours to complete...ouch.