What does the Statue of Liberty have in common with the Olympic or Grand Canyon national parks? Well, they were all declared the USA's cultural and natural World Heritage Sites. Among twenty American sites appreciated by UNESCO there are several places of such outstanding beauty or significance that they deserve a separate mention.
Check out the list, then come back here and set the author right in our comment section. How can Yellowstone and Yosemite be left out of the top seven???!!!