Looking to pick your next favorite destination?

One unusual metric is rodents.

The results are in for which US city has the most rats.

So the next time you travel to Chicago, be on the lookout.

The Windy City was the most rat infested city in the US, followed by Los Angeles, New York, Washington DC and San Francisco.

Some smaller cities made the list as well, including Hartford, Grand Rapids, Greenville, Spartanburg and Rochester.