Joe Gold outside the original Gold’s Gym Venice. (Photo courtesy Weider Publications.)

Joe Gold made fitness equipment by hand including this leg press. (Photo courtesy Weider Publications.)

Bodybuilding legend Eddie Giuliani flexes for the camera. (Photo courtesy Weider Publications.)

Gold's Gym was a mecca for bodybuilders. (Photo courtesy Gold's Gym.)

Mr. World Bill Grant trains at the original Gold’s Gym Venice. (Photo courtesy Weider Publications.)

Exterior of Gold’s Gym Santa Monica, California, in 1976. (Photo courtesy Gold's Gym.)

Undated group photo at Gold's Gym Santa Monica. (Photo courtesy Gold's Gym.)

Vintage Gold’s Gym gear circa 1993. (Photo coourtesy Gold's Gym.)

Group photo from Gold’s Gym SweatFest, an outdoor community workout even in San Antonio, Texas. (Photo courtesy Gold's Gym). 

Gold’s Gym members during a group exercise program. (Photo courtesy Gold's Gym.)

Gold's Gym 50th anniversary logo. (Logo courtesy Gold's Gym.)