We present a selection of the most incredible sights in the United States, which are hard to believe even when you see them with your own eyes.
1. Mendenhall Ice Caves, Alaska
2. Oneonta Gorge, Oregon
3. Skagit Valley, Washington
4. Yosemite Valley, California
5. Grand Prismatic Spring, Wyoming
6. Hamilton Basin, Texas
7. Bryce Canyon, Utah
8. Lake Tahoe, California
9. Niagara Falls, New York
