Forensic geologist Scott Wolter is the host of History's H2 channel's hit show American Unearthed, (TM) which follows him on his quest to uncover the truth behind historic artifacts and sites found throughout North America. Scott is also the author of several books, including The Kensington Rune Stone: Compelling New Evidence and The Hooked X: Key to the Secret History of North America. Scott has been president of American Petro­graphic Services, Inc., since 1990 and has been the principle petrographer in more than 7,000 investigations throughout the world, including the evaluation of fire-damaged concrete at the Pentagon following the attacks of September 11, 2001.