image courtesy Christopher @ Hollywood Blvd.
Any 3 Stooges fan remembers the short "An Ache in Every Stake", where the boys play ice-men who have to carry a block of ice up an endless set of stairs. Laurel and Hardy also did a similar bit.
The Stooge stairs still exist, as shown above. Here's the story:
http://www.stoogeworld.com/_Videography/Achesteps.htm
And there are many other stairs in the LA area, which people use to get a workout!
http://www.latimes.com/features/health/la-he-nustairs14apr14,0,2098543.story