If you want to fly through the air and scope out some nice scenery while you're up there, but don't want to make the haul to the Royal Gorge or Durango, just drive to Golden and check out one of Denver Adventures' zipline packages. Denver Adventures offers four- and six-zipline tours and boasts the fastest and longest ziplines in Colorado. You can travel at up to 50 mph and as far as 1,900 feet on one zipline. Better bring an extra pair of pants, just in case.