A tower in the canyon in front of Cutthroat Castle. June 23, 2012 by Matt ThomasA tower in the canyon in front of Cutthroat Castle. Hovenweep National Monument About Matt Thomas Matt is an avid writer and explorer, who loves to showcase his home state of Colorado. His favorite place to be is right here in the Centennial State. Previous Post:A tower in the canyon in front of Cutthroat Castle.