The Mustang Ranch has tours hosted by one of the madams.Interesting and common for the era. Anywhere designated as a "mining district " by the government had legal bordellos as late as the 50's.
If you ever travel through Wallace, ID on I 90stop in at the Brothel Museum. Even my wife found it fascinating. The ladies bought the high school band uniforms, and probably knew a lot about some of the teachers too.
Pendleton is a fascinating example of underground living in the past. The tunnels were amazing. Havre Montana is another one that came about for totally different reasons. (Havre in the time of the underground is a part of my family's history, a grandfather from Texas met a grandmother from Minnesota there. Kind of makes you wonder about Grandma and Grandpa. )Pendleton,Oregon underground tour.