This story appears in the March 2019 issue of National Geographic magazine. When confronted with the limits of the known world, a 16th-century European cartographer inscribed the warning “Here ...

Groundwater pumping has played a big role in Venice’s sinking. Artesian wells were used to get fresh water, but they created ...

Venice's latest “acqua alta”, or high water, hit 150cm on Sunday, lower than Tuesday's 187cm - the highest level in half a century - but still dangerous. “The water has stopped rising ...