Heritage Days 2025 at the Musée vivant du Chemin de fer (Ajecta) in 77, the program

On September 20 and 21, 2025, take advantage of preferential rates during the European Heritage Days to visit the Living Railway Museum in Longueville (77), where steam locomotives and historic wagons bring over 150 years of railway history to life.

Climb aboard history and leave your traditional itineraries behind! The European Heritage Days return on September 20 and 21, 2025 to offer you a unique escapade into the heart of history. Free and open to all, this European event opens the doors of sites sometimes closed to the public, from emblematic museums to unusual places, for two days of discovery where curiosity and wonder travel first class. There are no standardized itineraries here... Each detour tells a story and invites your senses to explore in a different way.

Journées du Patrimoine 2025 in Seine-et-Marne: the program of weekend visits in 77
The Journées du Patrimoine 2025 in Seine-et-Marne promise fascinating discoveries. From September 20 to 21, 2025, castles, museums and historic monuments open their doors wide! Dive into the treasures of this multi-faceted département. [Read more]

One of the most inspiring stops in Paris and the Île-de-France region, the Musée vivant du Chemin de fer in Longueville, Seine-et-Marne (77), unveils its exceptional railway heritage at preferential rates (Admission €5 / Steam train €15). Founded in 1968 by the Association de jeunes pour l'entretien et la conservation des trains d'autrefois(AJECTA), this museum is the second largest in France in terms of historical railway equipment. Without AJECTA volunteers, the rotunda would have been demolished and the steam locomotives sent to the scrap heap. Now listed as a national monument, it houses a dozen steam locomotives, seven of which are protected, as well as carefully maintained rolling stock. For more than 50 years, these enthusiasts have been recovering, renovating and pampering each wagon and locomotive, tracing the evolution of the French train from 1866 onwards. Among the museum's treasures are France's oldest signal box, an Orient Express luggage car and a dining car from the legendary Train Bleu, where you can still dine on rare occasions.