Four types of volcanoes—shield, composite, cinder cone, and plug dome—can be found in Lassen Volcanic National Park, where they literally bubble and steam.

What’s unusual is that hikers are able to see the exposed volcanic plug with its columns ... Great for walking, hiking, or biking, the Calavera Nature Preserve includes a 1.9 mile loop around ...

Rising tall from the sea and covered in emerald-colored vegetation, these volcanic plugs (or land formations ... locals caution against hiking Petit Piton unless you are a pro climber, as the ...

Tired of crowded national parks, or want something new? Here are less visited national parks in California, what months to visit and what not to miss.

One of several parks dubbed a Mini Yellowstone by hiking enthusiasts, Lassen Volcanic National Park is home to all four kinds of volcanoes found on Earth, including one of the largest plug-dome ...