Heritage curiosity secret guide

And what if the vineyards of Montmartre weren’t actually the oldest in Paris after all?

Far from Montmartre, the capital’s true viticultural elder leads a quiet, protected life in the 5th arrondissement. This solitary vine, planted in 1874, holds Paris’s longevity record, tucked away in a courtyard at the Collège de France. Discover its astonishing story!

Visit La Hublotière, Hector Guimard's Art Nouveau villa, this summer 2026 in the Yvelines.

Do you know Hublotière? This Art Nouveau villa, designed by Hector Guimard, hides in the heart of Le Vésinet in the Yvelines. Although it is inhabited year-round, it opens its doors to the public each summer, for just a few euros.

The château of Louis XIV’s secret wife, and where Vauban left his only unfinished aqueduct.

Less than an hour from Paris, the Château de Maintenon in Eure-et-Loir reveals the astonishing rise of Madame de Maintenon and the remnants of Vauban’s only civil project. We set off to explore this sublime château and its gardens, and we’ll tell you everything about this heritage treasure.

The inventor of Braille hails from Seine-et-Marne: his former home has been turned into a museum.

In Seine-et-Marne, the museum brings to life the birthplace of the inventor of braille. We tell you more about this little-known cultural venue and the story of Louis Braille, the man who created the language that now bears his name.

Saint-Quentin-en-Yvelines: the surprising origin of its name

The name of Saint-Quentin-en-Yvelines, this vast agglomeration in the Yvelines about 20 km southwest of Paris, derives from a small medieval chapel dedicated to a 3rd‑century Roman martyr. A story that few Île-de-France residents know. Here's the story.

This church facing Notre-Dame, one of the oldest in Paris, houses a Byzantine treasure.

In the shade of René-Viviani Square, the church of Saint-Julien-le-Pauvre defies time with quietly captivating discretion. While its façade may look modest, it houses one of Paris's most singular liturgical treasures: a monumental iconostasis. A sacred pause just steps from the bustle of the Seine riverside scene.

This building in the Paris region is the last surviving remnant of the world's first airfield.

In Viry-Châtillon, in the Essonne department, the Port-Aviation Officers' Mess hides an astonishing tale: the story of the world's first organized airfield, inaugurated in 1909, where aviation pioneers let their quirky flying machines roar.

Hidden in an artists' village, this former water mill now houses a museum.

Nestled in a village of artists in the Yvelines, this former water mill has found a new life and been converted into a museum. A discreet, picturesque place steeped in history, it reveals an unexpected facet of Île-de-France heritage.

These remains of a Gallo-Roman sanctuary concealed a nymphaeum in the Yvelines.

At the heart of the Vaucouleurs valley, the village of Septeuil conceals a rare relic from Roman Gaul: a monumental nymphaeum. Erected to honor a sacred spring, this ancient sanctuary offers an exceptional testimony to water-related devotional rites in Île-de-France.

Right in the heart of this Val-d'Oise park stands a temple of love.

In this municipal park in Val d'Oise, an astonishing Temple of Love rises among the trees and the pond. A romantic setting to discover in the heart of a beautiful green haven.

This secret royal chapel is a true hidden gem tucked away in a château in Seine-et-Marne.

At the Château de Fontainebleau, in Seine-et-Marne, a royal chapel remains hidden from most visitors. The Lower Chapel of Saint-Saturnin, built under Francis I, only reveals itself on rare occasions — we tell you everything.

Did you know there used to be a museum dedicated to absinthe, the drink that fascinated artists, in Val-d'Oise?

Dedicated to the famous "Green Fairy," this quirky venue in the Val-d’Oise invites you to step back into the world of cafés, artists, and the myths of the 19th century. Today bearing the Regional Heritage label, it captivates as much with the originality of its subject as with the cultural and historical perspective it offers on a beverage that has become legendary. And it’s open to visitors!

In the heart of the Yvelines, this historic villa houses a former royal apothecary’s laboratory and is open to visitors!

In the heart of Saint-Germain-en-Laye hides a heritage treasure: tucked away in a historic villa lies a royal apothecary’s shop that can be explored on guided and occasional tours.

This house, with its Oriental-palace vibe, labeled Regional Heritage of Interest, stands out along the Seine.

With its oriental-palace aura along the water, this singular residence stands out in the Île-de-France landscape. Part architectural whimsy, part décor drawn from distant shores, and rooted in local history, the site—now labeled Regional Heritage of Interest—draws as much for its striking silhouette as for the precious heritage it preserves.

This boathouse in Île-de-France, designated as Regional Heritage of Interest, hides a rare treasure from the shores of the Oise.

Set on stilts at the water’s edge, this striking wooden chalet evokes the era of river leisure and canoeing. Restored and today designated as Regional Heritage, it remains one of the few surviving witnesses to this chapter of life along the Oise.

A Parisian square in the 6th arrondissement hides benches shaped like books under the shade of cherry trees.

Under the shade of the Institut de France’s dome, a small garden offers a sculpted homage to the literary soul of the 6th arrondissement, through striking limestone benches where you can read in the shadow of the cherry trees. A little secret that only reveals itself to passersby who aren’t in too much of a hurry.

This discreet church in the Vexin, designated Regional Heritage of Interest, conceals a little-known facet of Île-de-France’s heritage.

Rebuilt in the 18th century in a rural setting in the Vexin, this place of worship captivates with its sobriety and its turbulent history. Today labeled Regional Heritage of Interest, it embodies a discreet Île-de-France heritage, far from insignificant.

This little-known house in Île-de-France, labeled as regional heritage, also features a remarkable garden.

This Île-de-France house, awarded the Regional Heritage of Interest label, hides an astonishing rural past and, through its preserved architecture, narrates a part of the history of the French Vexin.

This elegant historic building with its pink-hued façade in Île-de-France has been designated as a Regional Heritage asset.

On the edge of the Vexin, in Île-de-France, this artist’s house with its rosy façade catches locals by its character, and above all by the summer cultural events held during artist residencies. Discover this charming building where Charles-François Daubigny lived, as well as the painter Wallerand, now bearing the Regional Heritage label.

Beneath this thousand-year-old church on the outskirts of Paris lies a crypt that visitors can tour!

At the gates of Paris, an ancient church hides a remarkable archaeological crypt beneath its stones, home to Merovingian sarcophagi. Good news: every so often it’s open to visitors. Here’s more about this offbeat outing in Seine-Saint-Denis.