America’s National Parks are renowned all over the world. The sheer scale of them is almost unfathomable to European visitors, whose native countries are compact and have been populated for centuries. If you are dreaming of open space and sky, Google offers virtual tours of Yellowstone, Yosemite, and the Grand Canyon, as well as tours of parks you may not have heard of, such as Bryce Canyon, Chaco Culture National Historical Park, and the Olympic National Park. —E.C.