Hoover Dam Old Exhibit Building

Welcome to the Atlas Obscura Community discussion of Hoover Dam Old Exhibit Building in Boulder City, Nevada. Ask questions or share travel tips, experiences, pictures, or general comments with the community. For the story behind this place, check out the Atlas Obscura entry:

I went today for a visit, and the Old Exhibit Building is closed! The man I spoke to didn’t give any other information. Any ideas?