In the same vein, see also Charles Fleming, who has been finding and mapping public staircases all over SF and LA: <a href="http:&#x2F;&#x2F;99percentinvisible.org&#x2F;episode&#x2F;episode-75-secret-staircases&#x2F;" rel="nofollow">http:&#x2F;&#x2F;99percentinvisible.org&#x2F;episode&#x2F;episode-75-secret-stai...</a>