While it’s now commonly known as the Octagon Hall, it’s also been known as the Andrew Jackson Caldwell House, named after the man who originally build the home.

Octagon Hall has reopened to visitors after the passing of former Museum Director Barry Gaunt.

Octagon Hall, a historic landmark in Franklin, has long been known for its unique architecture and rich history. However, it is the haunting presence of the people that have lived and died on the property that has intrigued paranormal enthusiasts ...

Over the years, Octagon Hall has served as a school, a hospital during the Civil War, a stop on the Underground Railroad and today it stands as a museum.

On this Native American Heritage Day, we examine a long overlooked marvel of ancient engineering that had been tucked away beneath a golf course near Columbus, Ohio. Some archaeologists say it's on par with Stonehenge, but its struggle for recognition spanned decades, ending only recently with validation as the state's only World Heritage Site. Stephanie Sy is back with that story. Brad Lepper, Senior Archaeologist, Ohio History Connection: So we're approaching the avenue, the parallel walls that connect the Observatory Circle with the octagon beyond.