Natural Wonders- Crater Lake and Mt Thielsen

It is located in southern Oregon. Lake water is mysteriously deep blue. It is the deepest lake in US. The deepest point is around 2,000 feet. There is no river flowing in or out. It was created 8000 years ago with a huge volcano collation. Mt. Theilsen is 250,000 years old volcano. Its very sharp peak is visible from more than 50 miles.