North America's deepest gorge, Hells Canyon, which slithers along the border of Idaho and Oregon, is a surprisingly new ...

Hells Canyon might be deeper than the Grand Canyon, but it's barely 2 million years old, according to a new study.

In Sequoia and Kings Canyon National Parks in California, trees that have persisted through rain and shine for thousands of years are now facing multiple threats triggered by a changing climate.

Clay Jordan, Sequoia and Kings Canyon National Parks superintendent, said the reopening of Crystal Cave is not only a ...

A natural wonder in Sequoia National Park is once again open to visitors.Crystal Cave was closed for four years—a result of ...

The Sequoia Shuttle is offering a quicker trip to and from Sequoia and Kings Canyon National Parks this year by reducing the number of pick-up spots.

California is stacked with amazing national parks, but one of the best attractions is finally reopening for the first time in years!

Crystal Cave in Sequoia National Park will reopen on Memorial Day weekend after wildfires and winter storms caused officials to close the site for four years.

“The opening of Crystal Cave is a big step forward in disaster recovery for Sequoia and Kings Canyon,” said Clay Jordan, Sequoia and Kings Canyon National Parks superintendent, in a statement ...