These ships – on which travelers would spend weeks and months – were the epitome of class and luxury. Take a look at these stunning pictures of cruise ships in their glory days. Back then ...

Since the first underwater photography began in 1856, technology has evolved to allow divers to take breathtaking images that ...

While it's a harsh salty and high-pressure environment at the bottom of the ocean, another factor that preserved the photos was the cool temperature of the Atlantic waters. Shackleton's lost ship ...