Embark on a journey through the heart of Christianity and join us in supporting the Terra Sancta Museum in Jerusalem, a globally unparalleled project that completes the cultural mosaic of the Holy City. While Jerusalem boasts Museums of Judaism and Islamic Art, the Terra Sancta Museum fills a crucial gap, offering a unique perspective on the roots of Christianity.

The first section, dedicated to archaeology and inaugurated in 2017, takes visitors on an immersive exploration of the places where the Christian faith was born. Now, in October 2025, the Franciscans of the Holy Land are set to unveil the historical section of the Terra Sancta Museum, further enriching the cultural landscape of Jerusalem. Your patronage ensures the continuation of this extraordinary project and contributes to the preservation of the invaluable heritage rooted in the history of Christianity. Join us in safeguarding this globally significant institution for present and future generations.

The Terra Sancta Museum, Jerusalem

Parcs et Demeures de France.


Preserving unique treasures of French heritage as well as their natural environment.

The Mansart Foundation aims to revive heritage of outstanding interest, whether historical or contemporary: natural and landscaped sites (parks, botanical gardens), architectural buildings (monuments, residences, industrial establishments), collections and museums.

These places are our heritage and have shaped our art of living, the French Art de vivre. These sites all deserve to be preserved in a sustainable way to be passed on to future generations. This is the purpose of the Mansart Foundation. 

The Foundation focuses on a strong social mission. It aims to open its doors to less privileged visitors and enable them to discover and appreciate legacy buildings, art history and natural environments, thereby helping them develop both their understanding, curiosity, and creativity. 

The Mansart Foundation supports a variety of projects within different sheltered foundations. 

Already owner of the  Chateau de Maintenon , the Foundation is also restoring the  Chateau de Bagatelle to open it to the public. This chateau - listed as a historical monument since 1978 - is exceptional, both for its own history and the one of its owners, and for its location in the heart of Paris and its great architectural quality. 

Under the aegis of the Mansart Foundation, the  Amici Terrae Sanctae Foundation  was created to support the Terra Sancta Museum project in Jerusalem. This museum will present the roots of Christianity and the Treasures of the Holy Sepulchre, composed of unique pieces. Through a rare collection of paintings, sculptures, archival documents and sumptuous gifts from European courts, the works revealed will attest to the centrality and splendor of Jerusalem throughout the centuries. 

To sustain the actions in favor of  Parisian museums , the Mansart Foundation associated with the Friends of the Pompidou Center and the Friends of the Museum of Modern Art in Paris to create under its aegis respectively the Foundation of the Friends of the Pompidou Center and the Foundation of the Friends of the MAM Paris. By donating to these foundations, you will support exceptional cultural projects and contribute to the development of the collections of these museums. 

To safeguard heritage and bring it back to life, while acting in favor of local development and regional planning, the Mansart Foundation provides support to  the Rempart construction sites  through the creation of the Union Rempart sheltered Foundation. These workcamps are not only places to discover heritage and restoration techniques, but also places to learn how to live together and to exercise citizenship.  

The Mansart Foundation is involved in the promotion and animation of the Vauban Citadel in Belle-Ile-en-Mer, a listed historic monument, and the  Vauban sites of Belle-Ile-en-Mer and Morbihan . For this purpose, the sheltered foundation of the Vauban sites of Belle-Ile-en-Mer and Morbihan was created under the aegis of the Mansart Foundation.  

The sheltered foundation for the Preservation of the  Abbaye des Vaux de Cernay and the Haute Vallée de Chevreuse  was created to support the project to restore and develop the remarkable heritage of the former Vaux de Cernay Abbey. The Vaux de Cernay Abbey, a 12th century Cistercian abbey, is a unique, fascinating, and mysterious place located in the heart of the Chevreuse Valley in the state forest of Rambouillet. 

The  Hortus Botanica Foundation  was created to develop an action in favor of gardens and botanical heritage. Its purpose is to help preserve, restore, create, animate, develop, and share to the public the plant heritage, the heritage built or unbuilt, and the gardens existing or to be created, in connection with it. It participates in the cultural dynamization of the living and historical heritage in order to perpetuate extraordinary places. 

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Fondation Mansart

The Terra Sancta Museum, Jerusalem

Fondation Mansart

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