Golden era clubs and ballrooms that are still doing business

[bunnyb.gal]

Depending upon your definition of "Golden Era" this may or not count, but in Lewisham in London there's the Rivoli, around since the '50's. It still gets packed out for ballroom and jive dance events, and has live bands.

 

[Yeps]

The Spanish Ballroom at Glen Echo Park in MD is a restored ballroom from 1933.