<http://schema.org/about>
"In many national and historic parks, visitors will find physical representations of the narrative of the United States. Want to come face to face with the histo"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/wilderness-resources/photos/americas-most-patriotic-national-parks/fort-mchenry>