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.

Overflowing with otherworldly landscapes, boiling hot springs, and more than 20 volcanoes, Lassen Volcanic National Park is a unique park that still has yet to break through on the radar of the ...

Tucked away in far northeastern California, Lassen offers sweeping grandeur ... naturally dark skies. The park's namesake peak is the one of the largest plug dome volcanoes in the world — a type of ...

Lassen Volcanic National Park, true to its name ... rocky "pinnacles" that give the national park its unique geological formations. Visitors can explore some of the most distinctive rocks anywhere ...