As one typically does before moving out, Jonathan Bostock was cleaning up and beautifying his property in Birmingham, England, for its new owners, clearing away the mess that can gather over the decades when one calls a place home. Then, in his overgrown garden, he found a bunch of centuries-old animal teeth. The teeth weren’t loose and scattered, but rather built into an old, hidden “folly,” or “grotto,” as some prefer. (It’s hard to decide whether loose or architectural teeth are more disquieting.) Follies are purely decorative outdoor structures that…
