Bhubaneswar, April 1 -- Every year on April 1, people across the globe celebrate April Fools' Day with jokes and pranks. But over time, some pranks have gone far beyond harmless fun, leaving people shocked, confused, and even concerned.

Here's a sneak peek into a few such April Fools' pranks that actually fooled people across the world:

One of the most famous incidents dates back to 1957, when the BBC aired a report showing Swiss farmers harvesting spaghetti from trees. Thousands of viewers believed the story and even called in to ask how they could grow their own spaghetti.

In 1996, fast-food giant Taco Bell stunned Americans by claiming it had purchased the Liberty Bell and renamed it the "Taco Liberty Bell." The prank sparked outrag...