Millions of people head to Yellowstone National Park each year, making traffic through popular areas a major problem for the ...

Lassen Volcanic National Park, about a four-hour drive north of San Francisco, feels like a secret getaway.

In a region full of great trout water, Yellowstone remains the standard.

Yellowstone is a dynamic geologic system—the one constant is change. This is demonstrated daily by hydrothermal activity ...

Yellowstone National Park is one of the most popular and fascinating parks in the U.S. Naturally, there are quite a few ...

Summer at Yellowstone National Park usually means gridlocked traffic and booked-up lodges. A winter trip takes effort, but ...