Stop by the Canyon Visitor Education Center to learn more about the geologic story of the area, including the Yellowstone volcano, and view a room-size relief map of Yellowstone. You can also get orientation information, pick up a fishing permit (fees are payable by debit or credit card), shop for a souvenir, find out what ranger programs are available, watch a 20-minute film, or use the restrooms. Restrooms are available 24 hours a day.