Have you read and studied YES! Magazine? Or The Sun magazine? Both are open to nonfiction submissions.
YES! Magazine is published on Bainbridge Island in Washington State, and publishes nonfiction articles about global topics. See Writers guidelines .The Sun writes about personal topics. Writers guidelines .
At New Pages scroll down the left panel, and under Classifieds you’ll find Call For Submissions that list a wide variety of markets.
Writers, who are members of Internet Writing Workshop [IWW], report that they've had their greatest success submitting to markets that are actively calling for material similar to what they write.