About this episode
Wherever there is sufficient demand to move between two points of differing elevation, there are stairs. In some hilly neighborhoods of California–if you know where to look–you’ll find public, outdoor staircases. The large number of hidden public staircases is part … Continue reading → Subscribe to SiriusXM Podcasts+ to listen to new episodes of 99% Invisible ad-free and a whole week early. Start a free trial now on Apple Podcasts or by visiting siriusxm.com/podcastsplus . Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.