Neighborhood Guide: Flatiron

This neighborhood is named after the legendary Flatiron Building (its real name is the Fuller Building), the triangular-shaped, oft photographed architectural marvel that, well, resembles an iron. Area residents tend to be business professionals, but ties get loosened over martinis at the 1920s-inspired Flatiron Lounge or while waiting in line for a greasy burger at the Shake Shack.