The USS Nautilus was the world's first nuclear-powered submarine. It participated in scientific and military operations ...

Have you ever wondered if you could actually own your own submarine and go zooming around in the watery depths like Jacques Cousteau? If you could, you’d be described as a “recreational submariner.” ...

which hosts Submarine Cruises where tourists can explore the waters of destinations like Hawaii, Barbados, Aruba, and Catalina Island through recreational submarines that dive through sea life.

But not all submarines are operated by the world's navies. Some are designed for oceanic exploration, while others are meant for recreation. Recently, the Titan Submersible made headlines for all ...