The three most popular natural attractions in the United States are:
1. The Grand Canyon (Arizona)
2. Yellowstone National Park (Wyoming)
3. Niagara Falls (New York)
What are the three most popular natural attractions in the United States?
The three most popular natural attractions in the United States are:
1. The Grand Canyon (Arizona)
2. Yellowstone National Park (Wyoming)
3. Niagara Falls (New York)