collection
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 and passages that will soon be a bustling subway line. Read More >>

locations
Lost in a Maze of Abandoned Stations Beneath the Streets of Barcelona

The always interesting urban exploration crew at Trackrunners have assembled all of their various trips down beneath the streets of Barcelona into one long super-post, an epic catalogue of all things lost and subterranean in that Spanish coastal city. Read More >>

science
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 Foundation. Read More >>

cities
A Colossal Yellow Cave Taking Shape Beneath New York

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 feel of architecture. Read More >>

architecture
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, tonnes of dirt moved, and other construction superlatives, Crossrail also "claims to be the largest archaeological site in Britain, an inadvertent probe through a plague pit, a Roman road, a madhouse cemetery, [and] a Mesolithic 'tool-making factory.'" Read More >>

history
Film Fest Dedicated to the Underground Kicks Off In London

A film fest dedicated to all things Underground kicks off this weekend in London. Read More >>