Hunt County

Geoseries. 

A geoseries is a lising of caches around a theme.

Vikings of Greenheim Series

http://www.geocaching.com/bookmarks/view.aspx?guid=a310f5ca-5939-4418-9f25-725b59395c6a

The Cemeteries of Titus County

http://pages.suddenlink.net/zoonkai/tcotc.html

Twelve Day of Christmas

http://www.geocaching.com/bookmarks/view.aspx?guid=536ae667-4005-48f9-9ae4-2becf4da3f8a