• The Lamar Valley (WY): You can see wildlife in many parts of Yellowstone, including the meadows across from the Old Faithful complex. But the richest trove of wildlife is in the park's northeast corner, in the valley nicknamed "The Serengeti of United States."

Note: This information was accurate when it was published, but can change without notice. Please be sure to confirm all rates and details directly with the companies in question before planning your trip.