What Is the Ideal Size for a City Block?

New York City has always been described as filthy and smelly with trash everywhere. But, how did New York develop these characteristics? It began with the original urban planning back in the 1800's.

Above ground, it's a concrete jungle - centuries of buildings of all different shapes and kinds. But what about underground? We take you on a journey deep under the island of Manhattan to explore what lies below the biggest city in America.

Malls as we know them are going out of style — but that doesn't mean they're dying. Instead, they're using AI, curated experiences, and more to evolve and fit into the world of tomorrow.