Each year, as the days of summer dwindle and the colors of fall begin to emerge in the Pacific Northwest, an otherworldly sound during Roosevelt elk's mating season fills the air in the foothills of Mount Rainier at Northwest Trek Wildlife Park, about an hour from Seattle. | Reuters

Hear the beautiful sounds of elk bugling through the mountains on an Appalachian Elk Tour at Jenny Wiley State Resort Park. Tours are available during the fall and winter months beginning at 6 a.m. Guests may come for just the elk tour or have the option of booking an overnight package (dinner for two, lodging for a night and a breakfast sandwich the morning of your tour). Call Jenny Wiley State Resort Park for reservations at 606-889-1790. For park information go to https://parks.ky.gov/preston