Housed in a former farm "La Grange aux arts", it presents the remains of the rich past of the former iron city. This space gives the opportunity to learn more about the social and economic history of the Longwy basin, inscribed in iron letters in the collective memory. Open every day from July to September (10am/12pm and 14pm/19pm) - Saturday and Sunday from October to November. Visits for groups, by reservation, from July to November.