Halloween at the Paradox Museum: 2 weeks and 6 magical nights of fun

The Paradox Museum in the heart of Paris has a big surprise in store forHalloween 2025.

From October 18 to November 2, 2025, the museum in the 9th arrondissement will be going into Halloween mode, with decorations to be found throughout the museum. An original treasure hunt will also give you the chance to win prizes at Hans & Gretel.

From October 27 to November 1, 2025, the museum will be holding its Halloween Nights, transforming its 1,700 m² into a nocturnal playground where illusions and thrills blend harmoniously. An initiative that promises to appeal to families looking for an original experience in the capital.

Two weeks of Halloween decorations for the vacations

This year, the immersive museum is completely rethinking its scenography for the occasion. During the school vacations (from October 18 to November 2), spooky decorations and spectacular stagings take over the three levels of the establishment, creating a unique atmosphere that transforms several experiences into settings worthy of the greatest horror films. Paradox Museum Paris General Manager Soukaïna Trouiller's objective is clear: "We want to offer families a unique Halloween experience, combining wonder, thrills and gourmet treats for one unforgettable night.

The museum's 90 usual experiences will be seen in a new light, enriched by the presence of Halloween characters wandering between the installations. Monsters, witches and emblematic figures from films and cartoons will take possession of the premises, creating surprising encounters in the famous Paradox Tunnel or the Reversed Room.

Click here to book your daytime tickets!

What kind of entertainment is planned for Halloween Nights?

Every Halloween Night will feature exclusive live performances. Professional magicians and hypnotists will offer fascinating, interactive shows, perfectly integrated into the museum's universe. These performances will take place both in the exhibition spaces and in the enchanting Hans & Gretel confectionery, the event's gourmet partner.

The big news for 2025 is the organization of a life-size treasure hunt throughout the museum. The most adventurous can embark on a thrilling adventure, dotted with riddles and clues hidden between the various exhibits. The most perceptive participants will win gourmet prizes to be collected at Hans & Gretel, extending the magic of Halloween beyond the visit.

Click here to book your tickets for the evening events!

How is Paradox Museum reinventing the Halloween experience?

The Paradox Museum combines its iconic installations with a carefully orchestrated Halloween atmosphere. The Clone Table, Paradox Sofa and other visual experiences are adorned with decorative elements that accentuate their mysterious character. This approach allows visitors to rediscover installations they may already be familiar with from a new angle. These Halloween decorations will be on display throughout the school vacations (October 18 to November 2).

The Paradox Museum Paris, inaugurated in May 2023, has since established itself as one of the capital's most photographed venues on social networks. Its 15 experiments, exclusive to France, and its educational dimension, with scientific explanations accessible via QR codes, make it an ideal place for families to visit.

The Halloween Nights event promises to be a not-to-be-missed rendezvous for all fans of thrills and original experiences. Featuring fascinating illusions, frightening creatures and bewitching treats, this first edition is expected to attract over 2,000 visitors over the six evenings scheduled.

Halloween Nights at Paradox Museum Paris run from October 27 to November 1, 2025. The museum is located in the heart of Paris, within easy reach of the main metro stations in the 2nd and 9th arrondissements. Reservations can be made directly on the museum's official website, with specific time slots for these exceptional evenings, which promise an unforgettable 1h20 experience in a setting totally redesigned for Halloween.