Remarkable Ohio

Serpent Mound Marker

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History Travelers

If you enjoy traveling Ohio's historic sites we want your help! We are currently accepting photographs relating to the places, people, and objects documented in Ohio's Historical Markers. Images should be high-quality and should reflect the content of the marker. Photographs should meet the following criteria:

Obtaining Geospatial Coordinates for a Marker

Remarkable Ohio also needs your help in collecting the latitude and longitude of historical markers. Take your GPS device with you when you visit a marker and record the location. Decimal degrees (DD) are preferred over degrees, minutes, and seconds (DMS). Send your photo, along with the GPS coordinates, to, and we will post it to our website! There are several ways of getting the latitude and longitude of a location: