These orange and white-striped vents that let out steam are a familiar sight in parts of Manhattan. But what do they do exactly?
A reader asked us "Why are some street signs brown?" We explain, along with a brief history of street signage in New York City.
You're familiar with the famous historic districts in Manhattan: Greenwich Village, Chelsea...But did you know some historic districts are less than one block?
What are those green mailboxes on the streets of New York City? In the latest Cities 101 we dig into these boxes, known as relay boxes.
You've probably noticed the giant letters posted on the windows of restaurants in New York City, but do you know that this grading system works exactly?
We all love fire escapes and what they represent both visually and historically for the New York City landscape. But what are the rules regarding them?
NYC's subway car are manufactured in Lapa, Brazil by French company Alstom outside of São Paulo and then assembled in Hornell, New York.
A look at the history of sewage in New York City, including the famous Poo Poo Choo Choo that took sludge all the way to Texas.
Subway cars, toilets, boats, refrigerators, and tanks have all been sunk to form artificial reefs as an environmentally conscious way to dispose of them.
Did you know 43 buildings in Manhattan have their own exclusive zip code? In this Cities 101 piece we dig into why and some fun facts about these buildings.