Indigo, I don’t have any thoughts that would be helpful. In fact, I think they’re on the right track. Many ADA lawsuits come about simply because people get frustrated with trying to figure out how to get from here to there. A map will help a lot, and will improve the guest experience tremendously.
The museum should, however, commission a real evaluation of the facility to discover the areas of non-compliance. Then it should take a hard look at what can be reasonably done; that is, see what can be done to increase the accessibility of the institution. Create a plan and then implement it