Le Saviez-Vous? discover Paris's unusual anecdotes, places and stories

Paris is one of the world's most fascinating and beautiful cities. With its cobbled streets, quaint cafés and iconic monuments, the city is a historical and cultural gem that can be explored for days on end without ever getting bored. But what also makes Paris so special are its stories, anecdotes and unusual places.

Behind its streets, its historic buildings, its relics, its basements and even its hotels, lie facts and unusual stories and anecdotes that fascinate us. We invite you to discover the secrets of the most emblematic objects and places, as well as the surprising spots that make up Parisian heritage. We warn you, you're about to see the capital in a whole new light!

Did you know, for example, that the Eiffel Tower was originally scheduled to be dismantled after the 1889 Universal Exhibition, but that its transformation into a radio antenna saved it from destruction? Or that the Père-Lachaise cemetery is home to the graves of such luminaries as Oscar Wilde, Edith Piaf and Jim Morrison? Why is the Sacré Coeur so white, and where does the story of the Phantom of the Opera come from?

Did you know? You can take art history courses at the Louvre in Paris.
In Paris, the École du Louvre offers the general public art history courses, open to non-students, in the heart of the Louvre Palace each year, from September to June. The museum also hosts free lectures on occasion. A perfect way to become an authority on art history! [Read more]

This Renaissance-era château and its mysteries are open to visitors near the Thoiry Zoo in the Yvelines.
Renowned for its vast wildlife park, the Thoiry estate also houses a Renaissance castle that is listed as a Historic Monument. Still inhabited by the same family for 13 generations, this little-known edifice is open on sunny days and reveals splendid salons and a wealth of archives. [Read more]

Did you know? The Saint-Martin Canal hides a mysterious underground network in the heart of Paris.
A must‑see slice of Parisian life, with its romantic footbridges and tree‑lined banks, the Canal Saint‑Martin stretches for almost 4.5 kilometers. Between century‑old locks, an industrial past, a mysterious underground section and a guinguette vibe, discover the history and secrets of this iconic waterway in the 10th arrondissement. [Read more]

This hotel-restaurant in Saint-Germain-en-Laye hides a secret room—the birthplace of Louis XIV.
A royal cradle tucked away in a hotel-restaurant! In Saint-Germain-en-Laye, the Pavillon Henri IV houses the oratory where Louis XIV was born in 1638. Discover the secrets of this exceptional historic residence and the conditions for visiting its centerpiece. [Read more]

Did you know? Madonna shot a video for « Holiday » in Cergy-Pontoise during the 1980s.
Before she became one of the world’s biggest stars, Madonna performed "Holiday" in an unlikely setting in Val-d’Oise. A sequence shot at the old Cergy-Pontoise leisure base, early in her career. Here’s the story! [Read more]

A fragment of Philippe Auguste's rampart lies hidden in a parking lot in Paris's 6th arrondissement.
When parking in Paris becomes a journey back in time! After years of construction, the Mazarine-Odéon car park reopens in the 6th arrondissement with a major surprise: the display, behind a glass wall, of an authentic stretch of Philippe Auguste’s ramparts and a medieval tower. [Read more]

Is the Fontainebleau forest fire the largest on record in Île-de-France?
This marks a grim historical milestone for the Paris region. With more than 800 hectares scorched by flames in the Fontainebleau massif, the ongoing fire is the largest on record in Île-de-France. [Read more]

Do you know where the smallest fire engine in Paris is located?
With its tiny, almost lilliputian size, this electric mini fire truck stands out on the platforms of a Parisian station for its quirky appearance. Yet it remains a genuinely bespoke rescue tool, indispensable in daily use. [Read more]

Heatwave tip: Bagatelle Park and Parc Floral are free to visit during orange alert.
Did you know? When a heatwave warning is orange or red, the City of Paris activates the Heatwave Plan at level 3 and waives admission to Parc Floral de Paris and Parc de Bagatelle. Two green refuges where you can seek shade, see the cascades, and enjoy a little cool air. Here’s the full rundown. [Read more]

This Louis XIII-era château in the Yvelines is set to rise again after two years of work.
The restoration of Château de Plaisir, a Louis XIII jewel in Yvelines, enters the final stretch after two years of work. The historic monument and its 17th-century dovecote are gearing up to begin a new chapter of cultural life. [Read more]

The painting that travelers almost never see: The Secret of the Poilus at Gare de l’Est
In the Gare de l’Est, a colossal painting looms over hurried travelers. 'Le Départ des poilus, août 1914' tells, all at once, of the French mobilization, a father's grieving, and a Paris reshaped by war. [Read more]

Do you know the meaning behind the 23 statues that adorn Gare du Nord?
Above Gare du Nord, 23 statues watch over the travelers. They aren’t just decorative: they tell the stories of the cities served by the train and transform the façade into a carved map of Europe. [Read more]

You pass them every day in Paris without noticing: these little bollards and posts hide a royal history.
In Paris, bollards, posts and wheel guards lining the sidewalks have protected façades, pedestrians and terraces for centuries. From carriages to scooters, a retrospective on the history of these urban sentinels we pass by without really seeing. [Read more]

Tour de France 2026: the offbeat little tales from the Grande Boucle to discover
In more than a century of existence, the Tour de France has been the stage for countless feats and remarkable stories. Here are a few anecdotes to know about the Grand Boucle to help you shine in social settings! [Read more]

Tour de France 2026: why don’t the riders have any leg hair?
You may have noticed: elite cyclists have completely smooth legs. Aesthetic effect or real athletic advantage? We explain why Tour de France riders go hair-free. Here’s an unusual anecdote! [Read more]

Did you know that this Pompadour château in the Yvelines hides a superb estate and a Japanese garden?
Few people know the Château de La Celle-Saint-Cloud, in Yvelines, which hosts a 23-hectare estate featuring a Japanese garden, contemporary sculptures, and a classified park. For Rendez-vous aux Jardins 2026, we headed out to discover this hidden historical treasure that’s well worth a stroll. [Read more]

World Cup 2026: why is the French national team’s jersey green? A symbolic tribute
Don’t be surprised if you don’t see the French team clad in blue on the pitch at the 2026 World Cup. This time, the jersey will be light green, a choice with a highly symbolic nod to the United States. [Read more]

This historic monument on Île de la Cité was Paris’s greatest medieval castle.
Behind the gilded façades of today’s judiciary, the foundations of the era’s most majestic royal fortress lie hidden. Long before the monarchy moved its seat to other Parisian residences, Île de la Cité housed a colossal fortified complex. [Read more]

Some drinking-water fountains in Paris now dispense sparkling water. Where can you find them?
Are you on Team Sparkling Water? Believe it or not, the city’s drinking fountains offer more than just still water. All year round, take advantage of the effervescent fountains that dot Paris to fill your bottle with this cool water—bubbles included. [Read more]

Did you know? The name Saint-Quentin-en-Yvelines comes from an old chapel.
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. [Read more]

Why is the Pont-Neuf called that, even though it’s Paris’ oldest bridge?
In light of its name, how can the Pont-Neuf be Paris’s oldest bridge? We explain its history and the reason for this sobriquet. [Read more]

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! [Read more]

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. [Read more]

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. [Read more]

The Frochot House, a cursed and enigmatic mansion with a neo-Gothic façade, near Pigalle
There’s no shortage of chilling stories in Paris! Discover the secrets that dwell at No. 1 Avenue Frochot, in the Pigalle district, where a mysterious house—almost haunted—seems to stand. [Read more]

Did you know? You can take free courses at the Collège de France, opposite the Sorbonne.
If you suddenly feel like sitting in on a course at the Collège de France, it’s possible! Since 1530, teaching there has been free and open to everyone, making knowledge more accessible. So, ready to explore the mysteries of the atom or the Mesopotamian civilization? [Read more]

Did you know? There used to be another geode, just like the one at La Villette, in La Défense.
Have you ever noticed the spherical silhouette on the La Défense esplanade? From 1992 to 2000, this Dome housed the world’s largest IMAX theater, delivering total immersion for film buffs. A chapter that would not last more than eight years... [Read more]

Did you know? The oldest basketball court in the world is in Paris.
In the 9th arrondissement of Paris, at the heart of the YMCA’s historic site, the gym on Rue de Trévise houses the oldest basketball court in the world kept in its original condition. Opened in 1893, this heritage site chronicles the beginnings of basketball in Europe. [Read more]

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. [Read more]

Why did the Liège station on Line 13 change its name after the war?
Liège station stands apart from any other. With its asymmetric platforms and murals celebrating Belgium, this stop on Line 13 hides a turbulent history, a symbol of a heroic resistance that operated part-time for years. [Read more]

All you have to do is take your science out for a stroll around Paris with your friends or family!