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

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

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

Learn Real-Life Minecraft at London's First Academy for Tunnelers

In today's Observer, architecture editor Rowan Moore explores Europe's largest infrastructure project: London's new Crossrail line. Moore explains that, in addition to such factors as cost, miles, tons of dirt moved, and other construction superlatives, Crossrail also "claims to be the largest archaeological site in… » 11/24/13 12:00pm 11/24/13 12:00pm