Military submarines are out there, lurking under the water, ready for action, but how long can they stay down there? It's ...

The unlikely duo joined forces to build a war submersible to drive British warships out of Boston Harbor. The result was the Turtle, America's first submarine. With a 3-meter length and a 1-meter ...

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 ...