They call it the American Alps, and after spending a few days exploring it, I get why. North Cascades National Park is one of the most beautiful and least visited parks in the country. Jagged peaks ...

This article originally published at The fight to bring a lost species back to a California national park.

Two hikers tragically killed when dead tree fell on popular Lena Lake trail in Olympic National Forest. Third hiker survived ...

It will alter access to one of Yosemite’s most mesmerizing natural spectacles—and one of its most photographed.

Nature is alive in Costa Rica's Arenal Volcano National Park, which is home to two volcanoes, a handful of hot springs, sloths, jaguars, and more.

Nearly 20 years ago, the last known Cascades frog disappeared from Lassen Volcanic National Park. Now researchers are ...

Lassen Volcanic National Park in far Northern California is a rugged wonderland of lava flows, cinder cones and boiling pools. It is also dotted with welcoming meadows and alpine lakes - places a ...