It’s a quick, disorienting 10–15 minute experience split into three parts: a proper mirror labyrinth where you’ll smack into glass more than once, a room of curved fun-house mirrors that stretch and squash your body in ridiculous ways, and a small historical diorama. The whole thing feels like a Victorian curiosity rather than a high-tech attraction. Expect plenty of laughter, especially if you go with friends or kids. It’s genuinely fun for what it is, but it’s small – don’t plan your whole afternoon around it. Bring your phone; the distorted reflections make surprisingly good photos.
Best time is spring or early autumn on a weekday morning to avoid the worst crowds. Summer weekends get packed with tour groups and the hill is sweaty. Expect to pay around €8–14 per adult depending on whether you buy tickets on-site or bundled with the funicular and Petřín tower. Skip the add-on guided “historical tour” if offered – it’s not worth the extra time or money. Just walk through at your own pace, laugh at yourself in the mirrors, and continue exploring the hill.
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