Practically every fast-food chain has a signature burger … and some are better than others. I decided to compare the most famous burgers from the two biggest burger chains in the US: McDonald's ...

One could argue that fast-food chains are defined by their signature burgers. I compared the Big Mac and the Whopper with cheese to find out which burger came out on top. Burger King's Whopper ...

Maybe you're a Big Mac person, or perhaps you worship at the altar of the animal-style burger. But if you're a diehard Burger King fan, then there's a good chance that the Whopper is your fast ...

The ads feature taste tests with native peoples of foreign countries and pits the Whopper against McDonald's Big Mac. Critics say the ads are culturally insensitive.

But how do they stack up? I tried the McDonald's Big Mac, Wendy's Dave's Single, and the Burger King Whopper to determine which classic fast-food burger is best based on taste and value.