I've climbed inside 6 historic submarines from World War II and the Cold War. Here are the coolest things I've seen.

I've climbed inside 6 historic submarines from World War II and the Cold War. Here are the coolest things I've seen.

Historic submarine museums provide immersive experiences.Talia Lakritz/Business InsiderI've visited six out of the 15 World War II-era submarine museums in the US.I've seen a missile hangar, sonar equipment, and a conning tower where orders were issued from.I've also had insights into crew life, like a soft-serve ice cream machine and comic strips.Visiting historic submarines requires a certain level of comfort with confined spaces, steep ladder…