Exploring the Decaying Ruins of Brother Island, NYC's Last Unknown Place

Surrounding the bustling island of Manhattan are countless lesser-known landforms. One of the most unique is North Brother Island. Sitting in the East River between the Bronx and Rikers Island, this unassuming chunk of land once housed a hospital where the city quarantined sick patients. » 4/28/14 4:40pm 4/28/14 4:40pm

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