Fondation Cartier pour l'Art Contemporain

Stand on the pavement of Boulevard Raspail and look ahead. The first thing you see is not a building. It is a tall screen of glass, set right at the edge of the street. Through it, and over it, you see trees. Their leaves move behind the panes, and the panes repeat the sky. For a moment, you cannot tell what is inside and what is outside. That confusion is the whole idea.

This is the Fondation Cartier pour l'Art Contemporain, a private foundation for contemporary art created by the jewellery house Cartier. It began in 1984 outside Paris, at Jouy-en-Josas. A decade later, in 1994, it moved here, to the edge of Montparnasse in the fourteenth arrondissement. It came with a new building by the French architect Jean Nouvel, made almost entirely of glass and steel.

One thing first, because many visitors do not know it. In October 2025, the foundation opened a much larger new home on Place du Palais-Royal, across from the Louvre. Nouvel also designed that space, inside an old nineteenth-century building. So check which address you are standing at. This guide begins with the Raspail building, because it is the one that made the foundation's name, and then turns to the new site.

Look at that front glass wall again. It does not enclose a room. It is a freestanding screen, roughly following the line of the old garden wall that once stood here. Behind it, there is a gap, then trees, and only then the main building. Nouvel used layers of glass to blur the edges. Some writers call it architecture that tries to disappear... and on a grey Paris day, it almost does.

Now find the large cedar near the entrance. According to a well-known local tradition, this cedar of Lebanon was planted in the early nineteenth century by the writer François-René de Chateaubriand. He was one of the great figures of French Romantic literature, and he lived in this part of Paris. Whether he planted it with his own hands is hard to prove. But Nouvel shaped his design around the tree, and kept it standing.

The site has other layers too. Before the foundation arrived, this plot was home to the American Center, a cultural centre for American artists and students in Paris. For years it was a place of concerts, classes and avant-garde performance. When the American Center left, the land became free. Cartier took it, and the old life of the site — art, experiment, foreign voices in Paris — continued in a new form.

Walk inside, if the building is open to you. The ground floor galleries have walls of glass, often more than one storey high. On sunny days, light pours across the floor and shadows of leaves fall over the artworks. This makes the space hard for some exhibitions and perfect for others. Curators here have learned to work with the garden, not against it. Below ground, darker galleries give a contrast for work that needs shade.

The garden itself is a work of art. The German artist Lothar Baumgarten designed it and called it Theatrum Botanicum, a botanical theatre. It is deliberately a little wild. Many of the plants are species that grow naturally in France, set together without neat borders. In spring and summer, the garden fills with the smell of damp earth and green leaves. In winter, you see the bare structure of the branches through every pane.

The foundation built its reputation on surprising choices. It gave exhibitions to artists who were not yet famous in France, and it often looked beyond Europe and North America. Over the years it has shown artists from Latin America, Africa and Asia. It has also given space to Indigenous artists and communities, including the Yanomami people of the Amazon. These shows put living artists from distant places in the middle of Paris.

It has also crossed the line between art and science. Some exhibitions here have dealt with mathematics, with trees, with animal sounds, with the life of the oceans. Many Parisians first saw the hyperrealist sculptures of the Australian artist Ron Mueck in this building — huge, uncanny human figures with every pore and hair in place. The foundation likes ideas that make people stop in the doorway and look twice.

Now to the new site at Place du Palais-Royal. From the outside, it looks like a classic stone Paris building with long arcades. Inside, Nouvel opened it into one great space. Large platforms inside can move up and down, so the galleries can change shape from one exhibition to the next. The building faces the Louvre across the street. Old art and new art now sit on opposite pavements.

This move tells you something about the foundation's ambitions. For three decades, it was a quiet glass pavilion in a residential part of the Left Bank. Now it also has a large stage in the centre of the city, on the route of millions of visitors. The two buildings are very different. One hides behind trees and glass. The other stands in stone among the busiest streets in Paris.

Before you go, take a minute on Boulevard Raspail. Listen to the traffic on one side and the leaves on the other. Look at the glass wall once more, and notice how it shows the trees, the sky and your own reflection all at once. As you walk away towards Denfert-Rochereau or Montparnasse, look back over your shoulder. From a distance, the building almost vanishes... and only the cedar remains.