How London's Amazing New Subway Trains Were Designed

"I remember going on the Tube trains when I was very young, and thinking 'this is amazing'. The smell, the noise — the wooden floors, the wooden escalators of the time — incredible to think that we had those," says Paul Priestman, director and co-founder of London design agency Priestmangoode. » 10/22/14 7:48am Wednesday 7:48am

Hot air balloon flies underground into Earth for the first time ever

When you hop into a hot air balloon, you expect to fly up. Not anymore. For the first time ever, a hot air balloon was successfully flown down and underground into the Mamet Cave in Croatia. Even better, it was a 70-year-old man who accomplished the feat, dipping down nearly 700 feet into Earth. » 10/03/14 8:29pm 10/03/14 8:29pm

Laser Mapping Reveals a Hidden Cavern the Size of Four Great Pyramids

In an age where every square mile of Earth's surface is so easily photographed and surveilled, to be a true explorer—to see what no human has ever seen before—one has to descend into the bowels of the Earth. Armed with high-tech lasers scanners, cavers are slowly mapping that underground world. And now they've found… » 9/29/14 4:48pm 9/29/14 4:48pm

14 Underground Structures That Expose the World Beneath Our Feet

From filthy punk clubs to pristine public transport, there's a heck of a lot going on under our cities. Underground: The Spectacle of the Invisible at Zurich's Museum of Design goes deep into the different types of urban infrastructure that have been built up down below, and the different reasons that being… » 9/10/14 9:00am 9/10/14 9:00am

This Superheroic Train Keeps New York City's Subway Safe

You probably don't realize it, but, at any given hour on any given day, a small yet incredibly sophisticated train armed with cameras, lasers, and ultrasound equipment is sliding around New York City's subway system inspecting the tracks. It looks a little bit like Optimus Prime, and, like the good Transformers, it's… » 5/06/14 10:00am 5/06/14 10:00am

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

Step Inside The Historic Photo Archive Stored In an Underground Mine

Boyers, Pennsylvania, is home to the Iron Mountain storage facility, a former limestone mine that is now the storage site of more than 15 million photographic negatives and prints, all preserved hundreds of feet underground. This documentary, produced by the Hillman Photography Initiative, takes you inside for a… » 4/29/14 5:39pm 4/29/14 5:39pm

Berlin Is Threatened From Below By Its Rising Water Table

While the American West stumbles forward into an already dangerous drought—and it's barely even summer—Berliners are simply not using enough water. This means that the city's water table is now on the rise, and it's beginning to threaten the city's buildings from below. Some basements have already been affected. » 4/13/14 5:00pm 4/13/14 5:00pm

How Huge Subterranean Grids Could Protect Cities From Earthquakes

French engineers have been experimenting with a technique that could redirect seismic energy away from structures such as cities, dams, and nuclear power plants, sparing them from damage. It involves digging large, cylindrical boreholes into the ground, forming a defensive geometry of lace-like arrays that,… » 4/08/14 6:00pm 4/08/14 6:00pm

Inside the DIY World of Mapping Caves With Radio

Underground, where this is no GPS and certainly no Wi-Fi, mapping caves requires a different kind of technical ingenuity. Thus, there is cave radio. To learn about the DIY world of cave radio and underground exploration, Gizmodo picked the brain of Stanley Sides, tinkerer and former president of the Cave Research… » 4/03/14 12:20pm 4/03/14 12:20pm

The New Budapest Metro Line Is an Awesome Psychedelic Trip

After ten years of extremely expensive, slow, and politically messed up construction work–it is a long and sad story of government corruption and incompetence–Budapest, the Hungarian capital, got its fourth metro line today. Despite its ill-fated genesis and controversial usefulness, the Metro 4 is an amazing… » 3/28/14 3:40pm 3/28/14 3:40pm

Explore More Than 3,000 Miles of Tunnels Beneath Montreal

Andrew Emond, a Montreal-based photographer, amateur geographer, and DIY gonzo spelunker of the city's sewers and lost rivers, has just re-launched his excellent website, Under Montreal. The revamped site now comes complete with a fascinating, interactive map of the city's subterranean streams, documenting Montreal's… » 3/04/14 4:20pm 3/04/14 4:20pm

A Colossal Yellow Cave Taking Shape Beneath Manhattan

NYC's East Side Access Project continues apace, and these recent images, taken last month by MTA photographer Rehema Trimiew, show a whole new view of the mind-boggling underground caverns now being constructed beneath Manhattan. From raw walls of exposed geology to this, the space is finally taking on the look and… » 2/18/14 5:20pm 2/18/14 5:20pm