15: Minneapolis, Minn.

Minneapolis may be the city of lakes, but it's swimming in bedbugs.

A January report from the Star Tribune says the city is buying up industrial-sized heat machines to blast the bugs out of its housing projects.

"People had been in the pest control business for 30 or 40 years and had never seen a bedbug, Greg Grabow, a sales rep for Thermal Remediation, the company that makes the machines, told the paper, "Now they're everywhere."

That's enough to grab the city the 15 spot.

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