A U-boat is nothing more than the Anglicized term for a German submarine and isn't strikingly different from U.S. subs. The ...

Bushnell described his completed submarine as "resemble[ing] two upper tortoise shells of equal size, joined together." Thus, the Turtle was born. The Turtle embarked on its first voyage to sink a ...

You can also combine a ride on the submarine with a visit to Harrison’s Cave for $210 per adult and $120 per child. For more information, visit the official website. Barbados Catamaran Turtle ...