A drive along the Volcanic Legacy Scenic Byway through Mt. Lassen National Park in northern California takes Jeff, Zack and David to hidden waterfalls, deep inside mysterious lava tubes and to breathtaking vistas near to the top of a dormant volcano. Outside brought to you by Visit Fresno County, Hedrick's Chevrolet, Fresno-Yosemite International Airport, Visit Yosemite - Madera County.