Signs with a QR code leads visitors at National Park Service sites to a survey asking if posted information "is negative about either past or living Americans" or fail to emphasizes site's beauty.

Signs installed earlier in National Parks earlier in June asked for feedback on signs "that are negative about past or living Americans." Comments viewed by NPR didn't provide the requested feedback.

The Department of the Interior is requiring the National Park Service to post signs nationwide by June 13 asking visitors for feedback on any information they feel misrepresents American history.

The signs, which were posted June 13 at all National Park Service sites by order of Interior Secretary Doug Bergum, begin innocuously by asking visitors to download a QR code and answer three ...