Cities 101
Cities 101: What Do Those Liquid Nitrogen Tanks Do In The Streets of NYC?
Liquid nitrogen tanks on the street are not dangerous, says Verizon. Have you ever seen these out-of-place nitrogen
Cities 101: NYC Sewers Are Monitored Remotely to Prevent Back-Up
While sewers were once directly monitored way back, leading to fun maps about the various smells in NYC, things are
Cities 101: Double Lettered Trains In The NYC Subway System
Double-lettered subway signage was used in the NYC Subway until 1985. (via Wikimedia Commons) Last week we dove into
Cities 101: New York City is Running out of Room in Cemeteries for Its Dead
Calvary Cemetery in Queens If you’ve been following Matt Green’s quest to walk every street in New York
Cities 101: Take a Ride on the 8, 10, 11 and 12 Trains in the NYC Subway
We found a curious thing on the New York Transit Museum Facebook page yesterday, a subway sign for an 11
Cities 101: How Does the Steam System Work in NYC?
The orange and white-striped vents that let out steam are a familiar sight in parts of Manhattan. But what
Cities 101: Why Are Some Street Signs Brown and Others Green in NYC?
Recently, a reader asked us “Why are some street signs brown?” Street signage in New York City today is an
8 Beautiful Historic Districts in Manhattan Smaller Than One Block
Henderson Place Historic District on the Upper East Side You’re familiar with the famous historic districts in Manhattan: Greenwich
Cities 101: What Are Those Green Mailboxes in NYC?
Yesterday, an Untapped Cities reader contacted us asking us what those mysterious green mailboxes are on the streets of New
Cities 101: How do NYC Restaurant Sanitation Grades Work?
You’ve probably noticed the giant letters posted on the windows of restaurants in New York City, and perhaps vaguely
Cities 101: What Are the Rules on Fire Escapes in NYC?
We all love fire escapes and what they represent both visually and historically for the New York City landscape. But
Cities 101: Where and How are NYC Subway Cars Made?
This video came out a few years ago on National Geographic when the R160 subway cars were introduced in New