1. Great Lakes, Great Salt Lake, the Mississippi, the Missouri, the Ohio, the Colorado, Rio Grande, the Gulf of Mexico, the Niagara Falls 2. The Rocky Mountains, the Appalachian Mountains, the Cascade Range, the Sierra Nevada 3. The Great Plains 4. New England 5. States: New York, Pennsylvania, Virginia, Florida, Georgia, Illinois, Kansas, Louisiana, Texas, California, Nevada, Wyoming 6. Four Corners 7. The Yellowstone National Park