If your dream park happens to be across the country rather than in your backyard, Google is offering guided tours of 31 different US parks this week as well, allowing you to virtually explore those spots that you might not otherwise be able to get to.
You can access the park tours here. (For the best experience make sure to open this link in Chrome Browser)
Parks include Badlands National Park, Big Bend, Death Valley, Everglades National Park, Joshua Tree, Mount Rainer and more. Enjoy.