The United States is packed with spectacular national forests, and these special spots contain some of the most unique trees found anywhere on the planet.

Of all the Christmas traditions, there's nothing quite as magical as picking out a tree. Picture this: You're strolling through rows of luscious pine, fir, and spruce trees on a brisk afternoon at a ...

Where there’s a tree, there’s usually a forest. But not always. A biologist describes some of the loneliest trees on planet Earth. When we think about isolation in nature, we usually picture islands ...

An overhead view of a S-curve on a two lane highway in the Mt Hood National Forest in Oregon. - Davealan/Getty Images The national forests in the United States span an extraordinary range of ...