The Musée des Moulages opens its doors for the 2026 Heritage Days in Paris.

Heritage Days 2026 are the perfect opportunity to (re)discover Paris and its historic, offbeat buildings. In the category of lesser-known and surprising historic sites, you’ll find the Musée des Moulages de l'Hôpital Saint-Louis. This year, Saint-Louis Hospital welcomes you on Saturday, September 19 and Sunday, September 20, 2026 for an exceptional tour of its pathological wax moulages.

Here's an outing that should surprise even the most seasoned visitor: Hôpital Saint-Louis, in the 10th arrondissement of Paris, hides a very special museum. This collection is dedicated to a very special art of medicine. Come and admire the wax casts made by Jules Baretta and his successors. Although they are no longer used as teaching aids in dermatology, they remain a decisive element in the history of medicine and the representation of the sick man, as well as an artistic heritage to be preserved.

This collection, the largest in the world, features 4,800 wax casts made between 1867 and 1958 by the hospital's doctors for their dermatology courses. Classified by pathology, these casts show skin diseases... An ideal visit for medical students, but not only!

Make the most of it: the museum is usually only open on weekdays, by reservation. Children under 12 are not recommended.

• To be read
• European Heritage Days 2026: must-see openings and exceptional tours not to be missed in Paris
• Heritage Days 2026 in Paris (75): the schedule of visits and activities by arrondissement
• Heritage Days 2026 in the museums and art foundations of Paris and Île-de-France

Heritage Days 2026 program at the Museum of Pathological Wax Figures of Saint-Louis Hospital

• A tour of a collection of pathological wax models

  The collection of casts at the Saint-Louis hospital museum is, with nearly 5,000 pieces, the largest in the world. The casts were made from 1865 to 1958 by Jules Baretta and his successors. Although these successors are no longer used in dermatology education today, they remain a pivotal part of medical history and of how we depict the sick person, as well as an artistic heritage that must be safeguarded.

  https://youtu.be/lt5mBXW1RFo

  Participation requirements: Free admission — open to anyone aged 12 and over. Free | No reservation required

  Hours: Saturday, September 19, 2026 – 10:30 AM to 5:30 PM | Sunday, September 20, 2026 – 10:30 AM to 5:30 PM

Who's up for adventure?