In tomorrow’s world, cities may rise into the clouds, dive beneath oceans, or float among the stars—join us as we journey through these radical urban frontiers.

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Credits:
Cities of the Future.
Episode 498; May 8, 2025
Written, Produced & Narrated by: Isaac Arthur.
Edited by: Briana Brownell & Thomas Owens.
Graphics: Bryan Versteeg, Ervin Oprea, Ken York YD Visual, Sergio Botero.
Select imagery/video supplied by Getty Images.
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator.
Chris Zabriskie, \