Best known for its water clarity and blue hue, this west coast caldera looks great in any light.

Famed for its deep blue color and clarity, the lake’s fine features don’t have such a tranquil origin. Without the colossal collapse of Mount Mazama, Crater Lake would have no caldera to fill.

Tucked away within the Columbia River Gorge are Oregon’s Punch Bowl Falls, which gets its name from the bowl shape the falling water makes when impacting the pool.