Inferno
517 Excelsior Blvd. (now Mainstreet)
Hopkins
Technically, this was W.R. Frank’s Inferno, located at the Tremont Plaza Motor Hotel in Hopkins.
The Tremont was built in 1960.
Postcard image courtesy Hennepin County Library, per James Kenline
From the ad below it appears that the nightclub, formerly called the Cellar, opened on February 25, 1972.
Minneapolis Tribune, February 1972
Minneapolis Tribune, August 1972
It is now called the Hopkins Park Plaza Apartments and rents out fully-furnished apartments.
A more recent view of the building.