Plan a Vacation Trip to Yellowstone National Parks for a Day Hike to Yellowstone Volcano and Rocky Mountains. Bring Your Expedition Gear (Maps, Guide, Hat) and Explore Winter, Wildlife, Camping, Nature, Hot Springs, Grizzly Bears, Elk with This National Yellowstone Mountain Retro Sun Graphic Tee for Wanderers, or Tourists Who Love Backpacking, Campgrounds Camping, and Hiking Trails in the Rocky Mountains. Yellowstone National Park celebrating Native American History. Wyoming, Montana, Idaho. Designed bear 8.5 oz, Classic fit, Twill-taped neck