(NEXSTAR) — For one day only in August, you can get into any of our national parks for free.

Mount Rainier National Park is a special place, and not just in terms of its scenic landscapes. The twin craters of the apparently shrinking Mount Rainier host the largest known glaciovolcanic cave ...

The Silver Falls Loop Trail is an epic hike that takes you to the beautiful Silver Falls in the Ohanapecosh area of Mt.

MOUNT RAINIER NATIONAL PARK — An earthquake swarm at Mount Rainier that started on July 8 is considered one of the largest ...

From hikes in the North Cascades to Mount Rainier, here are some Washington trails that are particularly plentiful with ...

In this StoryCorps, two park rangers recall being part of a team specially trained to brave the heights and wash the four faces of the presidents on Mt. Rushmore — something no one had ever ...

Here's how my husband and I climbed 1,488 feet on Angels Landing in Zion National Park after we were lucky enough to win the permit lottery.

Starting Thursday, July 17, fire restrictions will be in place at the Mount Hood National Forest to help prevent human-caused wildfires.

The United States Geological Survey (USGS) shows lava fountains shooting up high in the latest episode of an ongoing eruption of Kilauea volcano inside Hawaii Volcanoes National Park on Wednesday, ...

The so-called earthquake swarm at Mount Rainier dwindled Friday but has surpassed the last large event at the volcano in 2009, the USGS said.

From unexplained phenomena to baffling disappearances, follow the clues while discovering our country’s treasured protected ...