Don’t worry – Lassen Volcanic National Park’s volcanoes aren’t going to explode and spill fiery doom all over you and your motor home. Although once a roaring caldron of magma, the volcanoes are now quiet and still. But, if you wander the park, you can still find among the pristine wilderness and pine forests some boiling pits of mud and steam hissing out of the cracks in the earth. These are just some of the attractions that make Lessen Volcanic National Park one of Northern California’s greate…