From word puzzles to artworks to secret film sets - here are the Paris Metro stations that are worth a visit even if you don't need to hop on a train. Paris inaugurated its first Metro line in ...

Photo: Guillaume Martinetti. A new and (as yet) unofficial map of the Paris Metro reveals exactly how long it would take to walk between every station in the city.

Metropolitain.io shows all 16 lines of the Paris metro system, and you can choose to view all the lines together or only selected lines, and in 2-D or 3-D. Selecting the "Time View" option lets ...