Built around 1878, Pavillon de l'Arsenal is a museum and a hub for urban planning in the 4th arrondissement of Paris. If you wish to get insights about the evolution of the city and the exquisite Parisian architecture, visiting this place for its permanent exhibition is a must. The museum organizes exhibitions and provides a platform for the city’s planning along with publishing books about the life of locals. Exhibitions surrounding housing and architecture are hosted here regularly. News galleries and a photo library are other points of interest here.