Open since 1909, this Portland gem is also known as America's First Urban Quiet Park. Explore its many trails, reservoirs, ...

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 ...

These high lava fountains built the prominent Pu‘u‘o‘o cinder cone, which you can view on the Devastation Trail in Hawaii Volcanoes National Park. Hazards associated with lava fountaining ...

Some trees are exploding with pink and white flowers, just in time for couple of rare warm and sunny days this week.

On this spring trip, you'll spend time in the car and on the trails. This is my favorite trip to celebrate spring in Idaho.

When I was 10, my dad took me camping to see the Perseids meteor shower,” says John O’Donnell. “They’re one of the most ...

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