Jep scientific guide

Heritage Days 2026: ESA's Paris headquarters opens its doors

Get ready to lift off for a weekend of exploration as Heritage Days return, September 19–20, 2026. Museums, grand townhouses and unusual venues will open free of charge for two days, inviting visitors to orbit around our historical treasures. This year, set course for the stars: the European Space Agency (ESA) headquarters will open its doors to the public.

Journées du Patrimoine 2026: Free tour of Paris-Saclay University's Mineralogy Museum

Rare crystals and meteorites await you in Bures-sur-Yvette. Take advantage of Heritage Days 2026 to visit the Paris-Saclay mineralogy collection for free.

Setting course for the stars at the Meudon Observatory for Heritage Days 2026.

Usually closed to the public, the Paris Observatory’s Meudon site will open its doors for Heritage Days. On Saturday, September 19, 2026, several tours will give visitors the chance to explore this iconic site, available by reservation.

European Heritage Days 2026 at the Paris Observatory: a journey into the stars

The Paris Observatory is getting into the rhythm of this new edition of European Heritage Days by inviting the public to a free tour on Sunday, September 20, 2026.

European Heritage Days 2026 in Paris: visit the little-known museum dedicated to the Curie family

Ahead of the new edition of Heritage Days, the Curie Museum opens its doors for the entire weekend of September 19–20, 2026, offering a deep dive into the history of the family with five Nobel Prizes. Attention, lovers of scientific heritage!

Heritage Days 2026 in Paris: Exceptional opening of the Institute of Human Paleontology

Heritage Days are coming to Paris and Île-de-France on the weekend of September 19–20, 2026. For the occasion, the Institut de Paléontologie Humaine—founded by Prince Albert I of Monaco—will exceptionally open its doors to the public. Here’s the program!

Heritage Days 2024: heritage walk at Agroparistech

The Journées du Patrimoine 2024 are the perfect opportunity to explore Agroparistech, a renowned engineering school located in the heart of Paris. Immerse yourself in the history of this institution dedicated to life and environmental sciences and technologies, and discover the innovations that will shape tomorrow's agriculture. An unmissable event for heritage and sustainable development enthusiasts!

Heritage Days 2023 at the library of the Société Nationale d'Horticulture de France

For the 2023 Heritage Days in Paris, the Library of the National Horticultural Society of France is gearing up to reveal its treasures during this special weekend. Mark your calendars for September 16, 2023, and don’t miss the chance to explore!