Jack Nicholson might have had access to a Playboy Mansion tunnel. (Getty Images)
Jack Nicholson might have had access to a Playboy Mansion tunnel. (Getty Images)

The 1970s were certainly a different time in America.

According to this story on Playboy, secret tunnels running from the Playboy Mansion to the homes of several nearby celebrities were constructed.

The tunnels went beneath the Los Angeles Country Club to the homes of Jack Nicholson, Warren Beatty, Kirk Douglas and James Caan.

According to Golf Digest, the tunnels would have criss-crossed LACC.

"The backyard to the Playboy Mansion is adjacent to the 13th green of the North Course. The tunnel looks as though it would have had to run beneath the 13th green, part of the seventh hole and the fifth fairway."

Here's a look at the diagram:

Winks of the CBS eye to Playboy and Golf Digest

For more golf news, rumors and analysis, follow @KylePorterCBS on Twitter and link up with CBS Sports Golf on Facebook and Google+.