Rocky Mountain National Park, Colorado (© Dan Ballard/Corbis)

【September 4 2014】One of the most distinctive features of Rocky Mountain National Park in Colorado is the variety of ecosystems it hosts. Thanks to the varying elevations of the sub-ranges within the park, a visitor can experience forests and grasslands at lower levels, alpine woods at the midrange, and tundra conditions just before the snowline.Explore breathtaking Gallery from the HuluTrip homepage over the past 5 years..