DON’T MISS GREATER YELLOWSTONE’S only drive-through wildlife preserve! View grizzlies, black bears and many other species of wildlife in their natural habitat, all from the comfort and safety of your vehicle. On our wildlife excursion tour, experienced guides enlighten you with animal facts throughout your drive in the park. Family-owned and operated! Open seasonally mid-May through mid-October 7 days a week from 9am-5pm.