As most travelers know, Tokyo is huge. The city is urban sprawl ... Japan as a whole is considered to be one of the safest countries in the world. However, if you do plan to enjoy the nightlife ...

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.

For National Geographic Magazine’s Cities Issue, I walked across Tokyo, the world’s most populous city. The distance, from boundary to boundary, is about 60 miles. But photographers ...