Museum of Illusions

The Museum of Illusions is the Las Vegas outpost of the global chain, on the ground floor of the 63 CityCenter complex at Las Vegas Boulevard and Harmon Avenue — across a pedestrian bridge from the Cosmopolitan and next door to The Shops at Crystals. Inside, more than 80 installations mess with perception in ways that photograph better than they explain: a spinning Vortex Tunnel that convinces your legs the walkway is moving, an Ames Room that shrinks one friend while turning another into a giant, plus an Infinity Room, a Tilted Room, a Reversed Room, and a hologram gallery. Nearly everything is hands-on and built to be shot on a phone.

Set expectations right and it delivers. This is a photo attraction with light educational captions, not a museum you study — the operator's own 45-to-90-minute estimate is accurate, and it's a single floor. Weekends and holidays get crowded enough that the marquee setups develop informal lines, and most illusions need a second person in frame, so it lands better with a group than solo. In its favor: it's air-conditioned relief in the middle of the Strip, and it stays open until midnight every night, which makes it one of the few family-friendly stops that still works after dinner.