Michael Mccrea

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In this May 12, 2017 photo, Michael McCrea shows where people have come to touch his house, the former home of Jacob and Hannah Leverton, once a key stopping point for slaves seeking sanctuary on the Underground Railroad in Preston, Md. "They just can't believe that it's here," McCrea said. Today, like some other stops on the Harriet Tubman Underground Railroad Byway, the house is on private land. McCrea, who expresses enthusiasm for the byway, is accommodating to visitors who are undeterred by a "No Trespassing" sign at the entrance to his property. (AP Photo/Patrick Semansky)