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.

Google Maps has exciting details about locations around the world. One of the most valuable things to learn about an area is ...

Hinohara village—the only mainland village in Tokyo—is located on the western ... The settlement, situated at an elevation of 500-some meters, has no train station—but it does have monorails.