Fake Birds, Flat Earth, and More Conspiracy Theories about Our Planet

Could Earth be flat? Are the birds you see actually robots designed to spy on people? Did giant sharks called megalodons really die out millions of years ago, or are they still alive? Some people believe in conspiracy theories about the planet we call home. Take a deep dive into some of these conspiracy theories to discover how they started, why people believe them, and what scientists have to say. Will these conspiracy theories be debunked, or will questions linger?