Can you recommend a resort to me ?   What about the Yellowstone National Park ?   Have you ever been there ?   Yes . The scenery is so breathtaking .   What is especially impressive ?   There are thousands of hot springs and fountains . The park is known for them .   Is there a waterfall ?   Yes . The well-known Yellowstone Waterfall is formed when the Yellowstone Lake falls down into the Yellowstone Canyon . 