Whether you live on the coast or not, sea-level rise will have profound impacts on all of us. So we packed up our bags and headed to Miami, a city that is considered one of the most vulnerable coastal cities in the world. How Miami responds will serve as a test case for how other places around the country survive the effects of climate change. Experts say seas here could rise by 5 feet or more by 2100, eventually leaving whole parts of the city underwater. So if the city is doomed, why isn’t the housing market acting like it? From multimillion-dollar waterfront mansions to a flood-prone block miles from the beach, we went on the hunt for answers.