Yellowstone National Park's nearly 3,500 square miles seep slightly across state borders into Montana and Idaho, but its major attractions are contained in the northwest corner of Wyoming.

While each of the entrances has its own attractions ... 30 minutes to get to the Norris Geyser Basin. (See below West Entrance: West Yellowstone, Wyoming, for more information on what to do.) ...

Many said they drove around the lake and stopped at attractions ... is covered by Yellowstone's seven-day entrance fee ($35 per vehicle). Consult the National Park Service's West Thumb and Grant ...