City: Nancy, France

• visit Place Stanislas for a relaxing drink or walk about the prettiest part of town
• hanging out in Parc de la Pépinière with its
  • zoo
  • rides
  • rose garden
  • ball courts and fields
• walking down Grande Rue, the Medieval part of town
• get a beer at Ch'timi or L'Aca or... I could go on
• grab a pastry & walk along the open air mall
• go to Atelier Dynamo to check out bikes & bike-related things
• check out the Opera, the best location in the region
• see a play at one of the many halls
• visit the museum of the arts, of the region, of Art Nouveau... I could go on, again

Image source: a good site about Nancy, France!