What’s Left of NYC’s Hidden Mail Tubes? (27 Miles LOST)
It’s History12 Heinä 2025

What’s Left of NYC’s Hidden Mail Tubes? (27 Miles LOST)

Beneath the streets of New York City lies the skeleton of one of the most ambitious communication systems in U.S. history: a 27-mile pneumatic mail network that once moved 100,000 letters a day—using nothing but air pressure. From 1897 to 1953, steel canisters shot through underground tubes at 35 miles per hour, connecting 23 post offices across Manhattan and Brooklyn. It was fast, reliable, and nearly invisible to the public. So why did this futuristic mail system vanish? And how did something so ahead of its time become obsolete in just a few decades? In this episode, we explore the rise and fall of New York’s pneumatic mail system—from ceremonial cat launches and same-day Wall Street contracts to deadly tube explosions and sandwich deliveries gone rogue. Plus: what’s still down there today. Learn more about your ad choices. Visit megaphone.fm/adchoices

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Why Coal Breakers were Horrific Places to Work (Coal Breakers Explained)

Why Coal Breakers were Horrific Places to Work (Coal Breakers Explained)

Coal breakers were essential machines in coal mines, responsible for breaking large chunks of coal into smaller pieces. They were the heart of the operation, despite being loud and dirty, requiring si...

28 Maalis 9min

Why Hundreds of New York Ships were Abandoned on Staten Island

Why Hundreds of New York Ships were Abandoned on Staten Island

The Staten Island Boat Graveyard, located at 2453 Arthur Kill Road in Rossville, has roots dating back to the 1930s and has been known as the Witte Marine Scrap Yard and Arthur Kill Boat Yard. Now ref...

27 Maalis 18min

Why America's Battleship Graveyard is Forgotten (Philadelphia's Abandoned Ships) - IT'S HISTORY

Why America's Battleship Graveyard is Forgotten (Philadelphia's Abandoned Ships) - IT'S HISTORY

Explore the battleship graveyard outside the Philadelphia International Airport, featuring storied vessels that once served in the United States Navy. This video highlights the fates of legendary ship...

26 Maalis 24min

What’s 1,000 Feet Underground in a Medieval Salt Mine?

What’s 1,000 Feet Underground in a Medieval Salt Mine?

Buried nearly 1,000 feet beneath southern Poland lies the Bochnia Salt Mine, one of Europe's oldest salt mines and a UNESCO World Heritage site with a history spanning nearly 1,000 years. This sprawli...

25 Maalis 28min

Why Seattle’s Floating Highway Sank

Why Seattle’s Floating Highway Sank

On November 25, 1990, a section of the Lacey V. Murrow Floating Bridge in Seattle collapsed and sank into Lake Washington, an event witnessed live by thousands. The bridge, an essential transportation...

24 Maalis 17min

Why Are Secret Towers in the Mississippi River?

Why Are Secret Towers in the Mississippi River?

In the middle of the Mississippi River near St. Louis stand two mysterious stone towers known as the Chain of Rocks intake towers. Built in 1894 and expanded in 1915, these structures were crucial for...

23 Maalis 18min

Why Cheyenne Mountain is Totally Forbidden

Why Cheyenne Mountain is Totally Forbidden

Carved deep into the granite of Colorado’s Front Range lies the Cheyenne Mountain Complex, one of America’s most secretive Cold War creations. Built to survive nuclear war, this underground fortress h...

22 Maalis 19min

What's Below Chicago's Bean? The Lost Railyard

What's Below Chicago's Bean? The Lost Railyard

Beneath Chicago’s Cloud Gate lies the city’s dramatic transformation. This episode traces Grant Park's evolution from marshland and post–Great Fire landfill to a bustling urban landmark, exploring Dan...

21 Maalis 34min

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