Crystal goes extreme with new 'Thrill Seekers' cruise

Just because it's a luxury line, it doesn't mean that Crystal Cruises can't pack in some thrills.

http://www.usatoday.com/story/cruiselog/2013/12/05/crystal-serenity-thrill-seekers/3877377/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+UsatodaycomTravel-TopStories+%28USATODAY+-+Travel+Top+Stories%29