This story appears in the February 2019 issue of National Geographic magazine. Ketchup—that cheerful red sauce sold in handy glass bottles—first came on the American market in the 19th century.

There's nothing quite like a hot dog with ketchup ... organic ingredients. To test, we opted for the standard ketchup formula ...

For Pittsburghers, there is no choice when it comes to ketchup ... Heinz Chip Dip is now available nationwide while supplies last. Heinz is also asking fans of the new product to share their ...

What: “Heinz Chip Dip,” a limited-edition offering to help align Heinz ketchup with potato chips (rather than fries) in the minds of consumers, extending the brand’s “It Has to Be Heinz” platform.