A live-action investigation at the Slate Museum – The Mystery of the Missing Time Traveller

KIDNAPPING ALERT! 🚨

What if, for a few hours, the Slate Museum became the scene of a mysterious disappearance?

Gather your team and set off on an investigation through the former slate quarries of Haut-Martelange. Across this authentic industrial heritage site, historic buildings, workshops and the underground world become the life-size setting for a mystery that will take you travelling through time.

It all begins with a strange telephone box and the arrival of travellers from the past. But one of them is missing…

A deserter? Lost in time? Kidnapped?

It’s up to you to find out!

As your investigation unfolds, you’ll encounter mysterious characters brought to life by actors at different locations around the site. Listen to their stories, question them, observe your surroundings and gather clues. Each encounter could bring you closer to the truth… or deepen the mystery.

Your mission? Find the missing time traveller and decode the formula that will allow everyone to return to their own era.

Combining theatre, investigation, puzzles and history, this is a team adventure played out against the authentic backdrop of the former Haut-Martelange slate quarries.

🔎 Gather your team. Keep your eyes open. Question the witnesses. And uncover what really happened…