<http://schema.org/alternativeHeadline>
"Never-before-attempted route has group canoeing from the Mississippi Delta, up 11 rivers, several lakes, and ending at the Bathurst Inlet in the Arctic."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/lifestyle/arts-culture/blogs/6-friends-paddling-5200-miles-on-gulf-to-arctic-adventure>