Archaeologists working in Varberg, Sweden, have uncovered the remains of several shipwrecks, some dating from the Middle Ages ...

The Amazon founder’s 417-foot-long vessel reportedly cost around $500 million to build and costs millions more in upkeep ...

We have container ships, oil tankers, old-timey wooden sailing ships ... When stationary, the discs were essentially like a skinny hull. However, the rollers could be driven akin to large wheels ...