Discover America's longest railroad tunnel-turned-hiking trail near Seattle, Washington, which offers visitors picturesque views along its path.

You don’t have to hike 12 miles over a High Sierra mountain pass to be a trail angel — but we did, and it was magical.

Two Washington state agencies are looking to improve corridors for wildlife while cutting down on traffic risks for motorists and animals.

Magma from the mantle finds its way to the surface, where it erupts as lava or ash and gas—sometimes in spectacular spurts, ...

Looking for your next race and getaway in one? Discover 12 scenic run events perfect for combining a fitness goal with a ...