Historical markers have been used to spread hate — with racist language, ideas and intent. They also have been able to unlock secrets — even from a long-forgotten murder in rural Alabama. This week, ...

This week, NPR begins its series Off The Mark, about the nation's historical markers. There are more than 180,000 markers across the country. Have you ever stopped to read one? Well, NPR has spent the ...

This week, NPR begins its series Off The Mark, about the nation's historical markers. There are more than 180,000 markers across the country. Have you ever stopped to read one? Well, NPR has spent the ...

Down a tiny back road southeast of Breckenridge, out of sight but within earshot of Illinois 29, stands a century-old monument to the legal career of Abraham Lincoln. Nearly forgotten today, it is one ...