We’re excited to celebrate the 5th anniversary of The 99% Invisible City, a NYT Bestseller by Roman Mars and Kurt Kohlstedt, with a guided audio tour of beautiful downtown Oakland, California. Join us as we explore different everyday designs, using examples from the built environment around our old offices as jumping-off points.

And if you don't already have one: be sure to get your print or audio copy of the book at 99pi.org/book.

Exploring The 99% Invisible City

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For 99PI’s 15th anniversary, Roman sits in the hot seat to answer 15 eclectic questions, touching on everything from his dream merch to the one object he's always wanted to cover on the show.

Plus, a behind-the-scenes look at how the show gets made.

The 99PI Anniversary Special: 15 for 15

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A billionaire family’s private bridge empire shaped Detroit for decades, sparking battles over power, neighborhoods, and the future of an international crossing.

Ambassador Bridge

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.