From the subsonic Hyperloop that will connect Toronto to Montreal in less than 30 minutes, to collecting data from sewage systems as a way to control disease outbreaks, cities around the world are finding new ways of becoming faster, smarter and super green. In this issue, we feature 10 extraordinary innovations that are defining the future of cities. Plus, a minimalist’s retreat in rural Portugal; the best of NYCxDesign and NeoCon; and a conversation with Amsterdam’s night mayor.