China's Batty Proposal For an Under-Sea Train to the United States

A lone report in China's state-run Beijing Times claims the nation is already in discussions to build an 8,000+ mile railroad connecting China, Russia, Canada, and the U.S.—including a 125 mile undersea tunnel spanning the Bering Strait. Forget taking this with a grain of salt, you're gonna need the whole shaker. » 5/10/14 7:00pm 5/10/14 7:00pm

A Subterranean Stroll Through NYC's Newest Train Tunnel

New York City's new 2nd Avenue subway line is a construction project of truly monumental scale. Decades of planning and billions of dollars have led to the near-completion of Phase 1 of the tunnel running underneath Manhattan's Upper East Side. Gizmodo was lucky enough to take a tour through a section of the caverns… » 5/02/14 12:20pm 5/02/14 12:20pm

Why NYC Is Building This $185 Million "Tunnel to Nowhere"

Since it's right next to the largest private construction project NYC has ever seen, you could easily miss it: A 35-foot-deep trench being dug on Manhattan's West Side. It looks something like a grave, or an archaeological dig, but no—this is an 800-foot-long insurance plan for the future of the city. » 4/28/14 3:20pm 4/28/14 3:20pm

How the Persian Gulf Is Quietly Building a Railroad Empire

Here in the U.S., the arrival of a new tunnel boring machine is huge news, warranting naming ceremonies and Twitter accounts. Meanwhile, in Doha, officials have quietly signed a contract to buy fifteen boring machines to build a sprawling new subway system. And that's nothing compared to the massive transit network… » 3/17/14 10:00am 3/17/14 10:00am

London's Newest Farm Is an Abandoned Bomb Shelter Deep Beneath the City

What do you do with a bomb shelter when you're no longer getting Blitzed by the Nazis? For decades, Londoners have searched for ways to make use of old bomb shelters lurking deep underground. They've become data centers, dusty storage rooms, and, now, the first underground urban farm—thanks to a couple of foodie… » 2/04/14 11:00am 2/04/14 11:00am

8 Massive Tunnels Being Built Right Now Under A City Near You

Now that we know it was an eight-inch steel pipe that brought the world's largest-diameter tunneling machine to a halt up in Seattle, we can no longer fantasize about Bertha unearthing a five-story-tall buried locomotive. But we can look at something almost as fascinating: The other giant holes that are currently… » 1/07/14 9:20am 1/07/14 9:20am

You Could Be the Proud Owner of These 19th-Century British Tunnels

Sure, this 2,000 square-foot, no-windows, no-view property is a bit of a fixer-upper. But think of the Halloween parties you could throw down here! This set of 200-year old tunnels beneath the British port city of Plymouth are going up for auction next month for the low-low price of $30,590. » 11/19/13 3:51pm 11/19/13 3:51pm

The Colossal Railway That's Quietly Taking Shape 160 Feet Below NYC

Maybe we can't build the world's deepest undersea tunnel in seven years like some cities, but New York still has some serious mega-construction chops. Behold: The latest photos from 120 to 160 feet below Grand Central Station, where workers are building the largest public transportation project in the US. » 11/06/13 11:00am 11/06/13 11:00am

Why the Biggest Obstacle for Elon Musk's Hyperloop Might Be Tunnels

It all sounds so Jetsonian. A new 600 mph "Hyperloop" method of transportation connecting Los Angeles and San Francisco? That's the buzz around the internet water cooler as people guess what Elon Musk has in store for the transportation of tomorrow. I say, sign me up! But if we take any lessons from past visions of… » 7/19/13 12:55pm 7/19/13 12:55pm