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

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

The deepest lake in the U.S. — a striking natural landmark in the Pacific Northwest — is about to undergo a major ...

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

Mount Tabor is a dormant volcanic cinder cone located 5 miles east of downtown Portland. It may sound like a trek, but the scenery is well worth it. At its summit, Mount Tabor provides vistas of ...

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

Surface temperatures reach 870°F, and its volcanoes and other surface features show clear signs of melting. Scientists have long wondered how heat from the planet's interior could be transferred ...

Hawaii's Kilauea volcano shot lava as high as 1,000 feet into the air during its most recent eruptive episode, geologists said Thursday. Related video above: Hawaii's Kilauea volcano spews lava ...

Explore scenic dog-friendly hikes in Hawaii, from shaded forest trails to volcanic ridges, perfect for pup-filled adventures.