Step 1 : Introduction to the question "4. What national park is the most-visited park in the US? This national park is located in two states: Tennessee and North Carolina."
...1. Great Smoky Mountains National Park 2. Gates of the Arctic National Park 3. Yellowstone National Park 4. Acadia National Park Not only is the Great Smoky Mountains National Park a national park, but it is also a UNESCO World Heritage Site. The national park includes Clingmans Dome, the highest point in Tennessee.
