One vacationer thought it wouldn’t be a big deal to hop over the U.S. border into Mexico, only to stand corrected on the way ...

By championing cultural development, Tijuana seeks to cement the region's standing as a leading example of Mexico–U.S.

Every year, billions of gallons of sewage and toxic industrial waste flow down the Tijuana River, across the U.S.-Mexico border, and into the Pacific Ocean. It is a complex, decades-old, ...