All we can say is, "Wow." 

In a new preview for next Sunday's "Real Housewives of Atlanta," the ladies visit one of the stops from the historic Underground Railroad.

Check out the hilarious clip above to see Porsha Stewart get all kinds of confused when her co-stars tell her that there was actually no train involved.

The Underground Railroad was a secret route used during the 1800s to help slaves escape to free states.

The path was usually taken in the the middle of the night and aided by abolitionists, who were known as the "conductors," to their safe houses, which were referred to as "stations."    
Most people have studied this this in school -- guess Porsha must have been absent that day/week/month?

What do you think about Stewart's cluelessness? Tell toofab in the comment section below! 

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