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 11:31pm 3/04/14 11:31pm

How Corpses Helped Shape the London Underground

As Mexico City archaeologists sort through the surreal array of Aztec sacrificial skulls recently uncovered while excavating their city's subway system, it's worth remembering that parts of the London Underground were also tunneled, blasted, picked, and drilled through a labyrinth of plague pits and cemeteries. » 1/02/14 7:19pm 1/02/14 7:19pm

Eye-Poppingly Gorgeous Underground Stations from Around The World

The history of rapid-transit began 150 years ago, with the opening of the Metropolitan Railway in London in 1863. In the next century and a half, dozens of architects and engineers have worked on underground tunnels and stations. Some are abandoned now, but others are as good as new. Here are some of the most… » 5/19/13 3:00pm 5/19/13 3:00pm

10 Mysterious Underground Cities

Humans like to build cities that reach for the sky, but sometimes they also build downward. Whether for protection, or just because they can, we've created many cities beneath the Earth's crust - or dug deep into the rocky faces of mountains. Here are ten of the most awesome. » 3/29/11 11:00am 3/29/11 11:00am