Shasta Valley's strange hills reveal a secret — the debris of a massive ancient mountain collapse in Northern California.

There is no more wondrous place to snowshoe in southern Oregon than Crater Lake National Park, where the elevated volcanic ...

Oregon is not just misty mountains and trendy cities. This unexpected high-desert landscape near Bend is a unique "badlands" ...

Day trippers can enjoy diving from a nearby 11-meter cliff face into the clear blue depths of the waterway, which sits in the blown-out caldera of a once mighty volcano known as Mount Mazama.

It’s located inside a caldera, or volcanic basin, that formed when the 12,000 foot high Mount Mazama collapsed 7,700 years ago following a large eruption. There are no inlets or outlets to the lake.

The lake was formed by the destructive eruption of Mount Mazama almost 8 thousand years ago that formed the 1,949-foot deep ...

More than 7,700 years ago, an ancient volcano named Mount Mazama erupted and caused the peak to collapse in on itself. Over the centuries, snowmelt and rainwater filled the yawing crater to create ...

The lake, a water-filled caldera of an ancient volcano, was formed 7,700 years ago by the collapse of the volcano Mount Mazama. (Photo by Robert Alexander/Getty Images) The Northern Lights seen ...

SUMMARY Belongs on List? Yes No Formed 7,700 years ago after Mount Mazama erupted and collapsed, Crater Lake is America's deepest lake and makes for a superb lake vacation. Today, you can admire ...