It's a tradition we love, and for good reason: over a weekend, thousands of cultural, religious, and historical sites, institutions, and regional curiosities open their doors to the public for free. With the many activities planned at these venues, it's a chance to rediscover a place you already adore or to explore new ones. We’re talking, of course, about the Journées du Patrimoine, which return on September 19 and 20, 2026 for a 43rd edition.
Museums, gardens, department stores, private workshops, railway stations, ministries: during this exceptional weekend, you can visit (almost) everything! Yes, even the courts and places of justice open their doors to you for special tours.
If you're fascinated by this world, now's the time to immerse yourself in a world of law andorder. In Paris and Île-de-France, several institutions are waiting to welcome you during the Journées du Patrimoine. Please note that some sites can only be visited with a reservation: please consult the programs below.



European Heritage Days 2025 in Versailles (78): the schedule of activities and places to visit
Les Journées du Patrimoine are back on September 19 and 20, 2026, inviting us to discover the riches of our heritage. We head to Versailles, in Yvelines, to make the most of this edition’s highlights with tours of the Palace of Versailles, as well as other institutions on an exceptional lineup. [Read more]



Heritage Days 2026: visit the Conciergerie, the former prison of the French Revolution in Paris
On the occasion of European Heritage Days, the Conciergerie is opening its doors to visitors free of charge on Saturday, September 19 and Sunday, September 20, 2026. What's on the agenda? Free, self-guided tours of this former Parisian prison steeped in history. Don’t miss this great tip! [Read more]



Heritage Days 2026: step behind the scenes at the Paris Judicial Court
For the 2026 Heritage Days, the Paris Judicial Court opens the doors to its Renzo Piano–designed tower. A rare chance to explore this contemporary architectural masterpiece rising 160 meters, its sunlit grand halls, and the inner workings of Parisian justice in the 17th arrondissement. [Read more]



Heritage Days 2026 in Paris: exclusive tours of the Ministry of Justice
On Heritage Days, the Ministry of Justice is opening the doors of the Hôtel de Bourvallais to the public on Saturday, September 19 and Sunday, September 20, 2026. During this free, exclusive visit, you can tour the office of the Keeper of the Seals. Here’s the program. [Read more]



Crime, Games and Mysteries: Heritage Days 2026 at the Police Prefecture Museum in Paris
For Heritage Days 2026, we’re off to discover the Musée de la Préfecture de Police de Paris in the 5th arrondissement. Far from the crime dramas, you’ll encounter real artifacts, meet the professionals, and even get to try things out. Family-friendly weekend on September 19–20, 2026. [Read more]



Heritage Days 2026: exclusive tours of the Court of Appeal of Paris
Take advantage of Heritage Days to visit the Paris Court of Appeal, housed in the Palais de Justice. On September 19, 2026, join us for a stroll to the heart of the French judicial system. We’ll reveal the program! [Read more]



Heritage Days 2026: Explore the Paris Commercial Court during guided tours
On the occasion of Heritage Days 2026, the Paris Commercial Court invites you to join us this weekend, Saturday 19 and Sunday 20 September 2026. A panel of judging guides will be on hand for exceptional guided tours of the courthouse, built between 1860 and 1865. [Read more]



Heritage Days 2026 in Paris: Exceptional opening of the Senate at the Palais du Luxembourg this weekend
The Senate is taking part in Heritage Days 2026! Take advantage of the weekend of Saturday, September 19 and Sunday, September 20 to discover the Palais du Luxembourg, the Petit Luxembourg, not to mention the greenhouses of the Jardin du Luxembourg. An exceptional, must-see visit to do in Paris! [Read more]



Exclusive tours of the Paris Administrative Court for Heritage Days 2026
Among the standout visits for the 43rd edition of Heritage Days, this weekend of September 19–20, 2026, is the Administrative Court of Paris, housed in the Hôtel de Beauvais. Here’s everything you need to know! [Read more]



Discover the secrets of the Paris Administrative Court, housed in the Hôtel d'Aumont, for Heritage Days 2026.
On the occasion of Heritage Days, to be held on September 19–20, 2026, come and discover a true Parisian gem: the Paris Administrative Court, housed in the iconic Hôtel d’Aumont. Trace the history of this exceptional site and explore the rooms of this 17th‑century building during an exceptional tour! [Read more]



Heritage Days 2026: Visit to the National Assembly — registration required, the program
The National Assembly opens its doors for Heritage Days in Paris, on Saturday 19 and Sunday 20 September 2026. What’s on the agenda? Free tours of the Palais Bourbon and the Hôtel de Lassay. Heads up: these tours are by registration only. Discover the full program. [Read more]
The Heritage Days don't stop there! Don't miss out on the many themed tours on offer all weekend long.
Heritage Days 2026 in Paris: museums, hospitals and medical institutions
The Heritage Days are back this weekend, September 19–20, 2026, in Paris and the Île-de-France region. Calling all medical enthusiasts: here are venues whose programs are sure to appeal to you! Discover the hospitals and medical institutions that are opening their doors for this exceptional weekend. [Read more]
Heritage Days 2026 in Paris and ÎDF: uncover the secrets of craftsmanship and know-how
Heritage Days sweep into Paris and Île-de-France on the weekend of September 19–20, 2026. Fancy taking this chance to dive into the heart of local craftsmanship and the savoir-faire of the Île-de-France region? Here are the visits you won’t want to miss in the Paris area. [Read more]
Dates and Opening Time
From September 19, 2026 to September 20, 2026
Prices
Free
Official website
journeesdupatrimoine.culture.gouv.fr