Ahoy, mateys! Detective Pux here, and I've got a sea-sational mystery for you! Are you ready to dive into the world of old submarines?

Let's start with the Submarine Force Museum in Groton, Connecticut, USA. This museum is home to the USS Nautilus, the world's first nuclear-powered submarine, and offers visitors the chance to go inside the submarine and explore its history. From its cramped quarters to its high-tech equipment, the Submarine Force Museum provides a unique glimpse into the world of submarine warfare.

Next on our list is the Submarine Museum in Gosport, England. This museum is home to eight historic submarines, including the world's first operational submarine, the Holland 1. Visitors can explore the submarines and learn about the fascinating history of submarine warfare.

We also have the Submarine Memorial Museum in Riachuelo, Brazil. This museum is home to the Brazilian Navy's first submarine, the Riachuelo, and offers visitors the chance to go inside the submarine and learn about its history. The museum is also home to a collection of memorabilia and exhibits related to the history of submarine warfare.

And for those who prefer a warmer climate, we have the Submarine Force Museum in Pearl Harbor, Hawaii, USA. This museum is home to the USS Bowfin, a World War II-era submarine, and offers visitors the chance to go inside the submarine and explore its history. From its cramped quarters to its high-tech equipment, the Submarine Force Museum provides a unique glimpse into the world of submarine warfare.

Finally, we have the Submarine Museum in Saint Petersburg, Russia. This museum is home to a collection of historic submarines, including the K-3, one of the first submarines in the Russian Navy. Visitors can explore the submarines and learn about the fascinating history of submarine warfare in Russia.

In conclusion, old submarines are a fascinating destination for history buffs and maritime enthusiasts alike. From the Submarine Force Museum in Groton and the Submarine Memorial Museum in Riachuelo to the Submarine Museum in Saint Petersburg, these museums offer a unique opportunity to see some of the world's most historic submarines and learn about the fascinating history of submarine warfare.

So, grab your diving gear and let's set sail! This detective is signing off.