10 Disgusting Facts About Burger King

5. One location allegedly covered up evidence of black mold.

Staff at the BK location in Missouri resorted to picketing in front of the eatery to warn potential customers of the extremely unhygienic conditions inside the kitchen. Turns out there was black mold everywhere. What's worse, employees alleged that they were also made to continue to serve the blissfully ignorant customers, despite the health risk.