Mental Floss

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Ben Nilsson/Big Ben Productions

Lapland’s storied IceHotel, the world’s largest and longest-running luxury hotel made entirely of frozen water, is a little more involved than those bootleg igloos you constructed as a kid!

Jessanne Collins


Getty Images

Head shrinking is rumored to have occurred all over the world, but documented only among a few indigenous South American tribes living in Peru and Ecuador. How do you take a flesh-and-bone head and shrink it?

Matt Soniak