I spent the night on a World War II submarine Airbnb that can sleep 65 people in sailors' bunks. Take a look inside.

"The Sub Bnb was a business move in many ways for the sustainability of the museum," Wisconsin Maritime Museum director Kevin Cullen told Business Insider.

"Just by staying there, you get that authentic experience, but you're also supporting preservation for generations to come," Cullen said.

You can walk through the rooms and learn about its history in combat from a US Navy veteran or self-guided audio tour.

For years, the Wisconsin Maritime Museum hosted Boy Scout troops and other large groups on the submarine, which can sleep up to 65 people.

Read at Business Insider