Wildlife Expeditions of Teton Science Schools, based out of Jackson Hole, Wyo., offers a chance to explore Yellowstone out of season by offering guided snowcoach safaris through March 15.
The full-day Old Faithful Winter Expedition, priced from $375 per person, or $2,625 for a private tour, takes in Old Faithful, the Upper Geyser Basin and the West Thumb Geyser Basin.
The Grand Canyon Winter Expedition, also a full-day tour and priced from $400 per person, or $2,800 for a private tour, follows the Yellowstone River past its Upper and Lower Yellowstone Falls and also visits the Hayden Valley, Mud Volcano and West Thumb Geyser Basin. Each trip includes breakfast and lunch (park fees and gratuity not included).
Custom expeditions with Nordic skiing, snowshoeing, photography and wildlife viewing or chartered, multiday expeditions are also available starting at $1,425 per snowcoach, per day.Wildlife Expeditions