At Crater Lake National Park, the deepest lake in the U.S. is slated to close to swimmers and boaters for two years.

Crater Lake, the deepest lake in the United States, will be closed to visitors for over two years as the National Park ...

Every year, thousands of visitors descend Cleetwood Cove Trail at Crater Lake National Park to experience the icy thrill of ...

If you can stay longer, climb Cinder Cone, an outstanding example of the results of volcanism, and, if you have the stamina for a more demanding trek, try Lassen Peak. Four types of volcanoes ...

One of only four green sand beaches in the world, Papakolea sits at the southern tip of Hawaii’s Big Island. The ...

Ash released from shield volcanoes often builds up around the vent forming a steep, round hill known as a cinder cone. A lava tube may also form, beneath the surface of the ground, when low ...

A snowy cinder cone on Mount Lassen in Northern California ... They determined that the water cycle plays a key role in explosive volcanoes in the Cascade Range. Disclaimer: AAAS and EurekAlert!