UpdatedFri, Jun 4, 2021 at 5:07 pm ET Replies(2) Chicago, Baltimore and Washington, D.C. are the top three worst cities for bed bugs, according to a 2021 ranking by pest control company Orkin. (Shutterstock) BALTIMORE, MD — Baltimore is known for quite a few things. It's the home of the Ravens and Orioles. It's the birthplace of Edgar Allan Poe and John Waters. But here's one thing you don't necessarily see on the surface in Baltimore: bed bugs. Turns out these tiny hitchhiking pests are quite fond of our city, according to the latest numbers available through Atlanta-based Orkin, a company that specializes in pest control services.