But the marker is now one of at least 15 that say, without hesitation, that aliens have come to visit Earth.

They join more than 180,000 other historical markers dotting the country’s landscape, and NPR found they wouldn’t be the first to claim something that may, or may not, be true.

There’s a marker in Massachusetts that claims the town was once home to a real, live wizard. New York has a marker about a ghost that plays the fiddle on a bridge in the moonlight.