Animation: Historical real stock returns in the United States, 1871-2016
This animation blows my mind:
![Real historical stock returns, animated GIF](http://lukaspuettmann.com//assets/images/stock-growth.gif)
I just stared at this for 5 minutes.
It shows the real performance of the S&P 500 since 1923 and the data before that is from Robert Shiller.
Source: This repo by zonination (scroll down). See here for another beauty.