Wisconsin

National Park Service sites in the Upper Midwest may be relatively few and far between, but that doesn’t mean you can’t put together a great national parks road trip from …

In total, there are seven national parks in the USA that lie partially or entirely on islands. All but two of them lie in a (sub)tropical region, making them without question the best national parks for summer vacations. The other two, just because of their northerly location, are also best visited in summer.