Barcelona’s map isn’t random - every block, hill, and boulevard has a reason. In this video, I explore how the city is laid out: the grid of Eixample, the old Gothic quarters, the hills, and how the ...

For Mr. Santos, math can also inspire ideas about structures that have already been built — a new way to see and appreciate the world. Inspired by this idea, The New York Times created a virtual tour ...

One Metro World is a book of metro maps from around the world. Why might you need a book of maps from cities you may never visit? Or, if you do plan to visit them, why might you want the maps ...