The metro of France's second largest conurbation has some interesting stations. Older ones (the metro opened in 1978) are more uniform but on the extension of line B and on the new line D, attention was given to more interesting design and stations have been planned by different architects.
Photo [wikimedia.org]: Valmy station from 1997 on the fully automated line D with a platform illuminated from below.
Try the following tour, recommended by residents or metro enthusiasts:
The extension of line B (Place Jean Jaures to Gerland) and the new automated line D have the most interesting stations, planned by different architects. Visit Valmy station for its frosted glass illuminated from inside.
"[Bup bup bup bup bup bup bup bup bup]". A pre-recorded voice in French announces the next station. It goes something like "[three descending tones] prochain arret [station name] – correspondance avec ligne [line number]". If exiting to the right is necessary, the voice will say "descendre à la droite".