As most travelers know, Tokyo is huge. The city is urban sprawl at its most overwhelming, making finding the best places to eat, shop, see, let alone sleep, a downright chore. The city is broken ...

Every day six and a half million people ride Tokyo Metro's nine lines, part of a dizzyingly complex transport network serving the Japanese megacity and its sprawling suburbs. London built the ...

A research institute has released a 3-D geological map showing the underground structure of Tokyo's 23 wards designed to help residents think about weak areas and better prepare for earthquakes.