A bench sits outside Anneke's Hair & Co. on Main St. in downtown Ann Arbor on June 7, 2021. (Meredith Bruckner) “We know nothing,” said Curtis Sullivan, co-owner of Vault of Midnight on Main St.

Mysterious benches are popping up in front of businesses all over Ann Arbor, and no one knows where they came from. The benches, which appeared last week, each have a fun phrase printed on them ...