Wonders of California   Lassen Volcanic National Park   Crater Lake National Park   Redwood National Park   Point Reyes National Seashore   Yosemite National Park   Sequoia National Park   Kings Canyon National Park   Death Valley National Park   Joshua Tree National Park   Mojave Desert   Anza Borrego   Catalina Island   Organ Pipe Cactus National Monument   Bryce Canyon National Park   Grand Canyon National Park   Pacific Northwest   Yellowstone National Park   Mammoth Cave National Park   Shenandoah National Park   West Virginia   Southeast Michigan   Upper Michigan   Everglades National Park   Niagara Falls   Potomac River