(CNN) — There’s a giant blob of incredibly hot rock beneath New Hampshire — and it may be part of the reason the Appalachian Mountains are still standing tall, according to new research. It has, ...

One of the greatest natural treasures in the United States is the Appalachian Trail, or as outdoor enthusiasts call it, “the A.T.” Located in the Eastern region of the U.S., it is also known as the ...

Ever thought about hiking the longest, hiking-only footpath in the world? It’s right here in the U.S., passing through the eastern Appalachian Mountains. The elevation gain of the Appalachian Trail ...

A dense green forest surrounds the thin corridors of dark brown earth that make up the Appalachian Trail system. The trees ...