When the Bronx Zoo recently called lights out on the World of Darkness, I was disappointed. That’s not to say I was surprised: It’s news to nobody that the Bronx — like almost every other zoo, aquarium, museum, college, industry, company, household, individual — isn’t exactly flush right now, and something had to give. But though the loss of the nocturnal animals is a significant one, the exhibit’s closing was noteworthy for another reason. When it comes to zoo buildings, the World of Darkness is one of the most fascinating. The World of Darkness was built in 1969. It has no windows, and from above looks like a giant letter C; the exterior is made up of tall, narrow gray stone panels of varying heights, which pitch inward. Unlike a lot of the other things you find in zoos, there’s nothing goofy or frenetic about it. It is not austere or staid or “classic” in any historic way. You would actually never expect to stumble upon a building like the World of Darkness in a zoo. It’s the kind of structure you’d expect to find in a zoo on, say, the Krypton of 1978’s Superman. But this element of surprise is exactly what makes the building so compelling, its closing a loss. As a field, the architecture of zoos is a funny thing.

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