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Lake Mead Is Now Lower Than Ever, But Vegas Has a Crazy Survival Plan

Yesterday, the surface of Lake Mead reached its lowest level since it was filled in 1937—1,080 feet above sea level. But engineers were prepared for this: A huge infrastructural project under the lake has been underway since 2008 to ensure that Vegas residents will still be able to get water, even as the drought… »4/28/15 3:30pm4/28/15 3:30pm

Unreal photographs of tunnels look like portals into the underworld

I love the mystery of Robert Burn's underground tunnel photography. They look like portals into another world, entrances to alien homes and haunting, unused gateways leftover from a different time. But they're just photographs of tunnels in Milwaukee, Wisconsin that have been perfectly lit and captured to heighten… »4/02/15 4:52pm4/02/15 4:52pm

The World's Largest Tunneling Machine Is (Finally) Getting Rescued 

Bertha, the world’s largest tunneling machine, has been stuck under downtown Seattle since it broke in December 2013. Engineers have had to concoct a massive and expensive rescue plan—essentially a whole construction project in itself. And yesterday, the Bertha’s broken cutter head was finally hoisted out of the Earth. »3/31/15 5:40pm3/31/15 5:40pm

These Enormous Caverns Below NYC Are Starting To Look Like Train Tunnels

It's been several months since we last checked in with New York City's perennially delayed, incredibly expensive infrastructural wonder: The East Side Access project, a plan to build a new station beneath Grand Central station that will connect Manhattan and Queens. Deep below the city, work continues—and now, the MTA… »8/12/14 9:37am8/12/14 9:37am

Ancient Worms May Have Saved Life on Earth 530 Million Years Ago

About 2.5 billion years ago, microbes began making a poison that would cause one of the largest mass extinctions on Earth. The few organisms that could handle this poison flourished, going on to become our ancestors. The poison? It was oxygen. It's a wonder that oxygen levels didn't keep rising until Earth became… »8/06/14 4:37pm8/06/14 4:37pm

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 7:00pm5/10/14 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 12:20pm5/02/14 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 3:20pm4/28/14 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 10:00am3/17/14 10:00am