possible error on a geography quiz national geographic?

I just did the quiz geography of the day on the website of the National Geographic. I have a problem with one of the irritating issues. The question "The famous colonial town of Williamsburg is located in What state? "And the answers were Delaware, Virginia and Indiana. I clicked on Virginia, but then the quiz said I wrong and it was Indiana. I looked Williamsburg, Indiana, and nothing seems to be a city with Amish people. Nothing to be Colonial. I find this puzzling and wondering if this is not a trick question, or if the National Geographic messed up. Here is the link so you can see what I mean. This is the ninth question the expert level. http://www.nationalgeographic.com/geobee/ You can take the test mode and get the Apprentice same questions. I think to contact them because I am now 100% sure that it is a mistake. I mean who the heck has heard of Williamsburg Indiana?

I also did the test 15 minutes ago stumbled on the same thing it is certainly a mistake i took the entrance test on the state January 16th

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