This week on The Travel Detective (PBS, check your local listings): there’s a good chance you’ve never been on this ship, and an even greater chance you probably don’t know its history — which is unmatched by any other vessel afloat. Welcome to the Astoria, the oldest operating cruise ship in the world. And there are a few reasons why you might not have heard of her. The Astoria has had many other names and owners and was involved in one of the worst maritime disasters in American history. And that’s just for starters. I’ll take you onboard the 72-year-old Astoria. That’s our Travel Detective cover story. Click on the photo for a sneak peek!