"There's still barbecue stains that kinda look like blood." 😳It's not every day that you find an abandoned vintage Burger King hiding in not-so-plain sight. But that's exactly what happened to a group of people who made a peculiar discovery at the Concord Mall in Wilmington, Delaware. On June 28, Twitter user @RealJezebelley shared a photo of the retro space, which looks like it could have easily doubled as a restaurant set for your favorite '80s or '90s sitcom. The photo was taken in April of this year by Jonathon Pruitt and shows lots of pastel tabletops, retro decor, and...