Have you ever heard a man describe a woman as being “so beautiful it hurts”? Well, it’s a phrase that suits Crater Lake National Park perfectly. Just under 2,000 feet deep, Crater Lake is the clearest, cleanest, and deepest body of water in the United States. To the Klamath Indians, it was a sight too sacred for human eyes. To their way of thinking, to gaze upon the azure waters was to risk “death and lasting sorrow.”