California are all breathtaking natural wonders and going from south back north include Joshua Tree National Park, Sequoia National Park, Yosemite National Park, and Lake Tahoe.
Head up to Denver to visit the Denver Museum of Nature and Science, the Children’s Museum of Denver, and the Denver Art Museum, which has a Just for Fun family gallery.
For a fun, stop at Clark’s Trading Post, known for it’s black bears and the White Mountain Central Railroad or visit Funspot in Laconia, the world’s largest arcade museum.
Washington has several other national parks and sites that are must-sees including Mt. Rainer National Park (who dominates the Seattle skyline), North Cascades National Park, Mount Baker–Snoqualmie National Forest, and Mount St Helens National Volcanic Monument.