There’s an art to guiding museum tours — and this guide is one very haughty artist.

A staffer at Düsseldorf’s Kunstpalast art museum puts on a twice-monthly “Grumpy Guide” tour in which the surly instructor deliberately insults and belittles his guests — to their utter bemusement.

Joseph Langelinck’s “highly unpleasant” tours cost around $8 USD, and they’ve reportedly sold out every session since they launched in May, with bookings well into 2026.

During the 70-minute walking tour, Langelinck — not a real person but the alter ego of performance artist Carl Brandi — wags his finger in guests’ faces, admonishes them for being on their phones or taking a seat, and mocks their ignorance while going through the museum.

“I never insult visitors directly, based on their personality or

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