Michael Wyetzner of Michielli + Wyetzner Architects returns to AD, this time to look at the history and creation of three New York City landmarks that have since been demolished—but are far from forgotten. From the once (and future?) majesty of Penn Station to the New York Herald building and the original 19th-century Madison Square Garden, Michael gives expert insight into these three historic architectural landmarks, why they were laid to ruin, and what came to replace them.

A rite of passage of living in New York City is having at least one crazy encounter on the subway and living to tell the tale.

Climate Central’s sea level rise and coastal flood maps are based on peer-reviewed science in leading journals. As these maps incorporate big datasets, which always include some error, these maps should be regarded as screening tools to identify places that may require deeper investigation of risk.