Where is the world's longest publicly accessible purpose-built pedestrian tunnel? Wikipedia has: List of long tunnels by type, bicycle and pedestrian. This i
In a recent question, an asker was gobsmacked that there would be a toll on the very large Golden Gate Bridge, which is a major frontier cross
I want to travel to Windsor using the Windsor/Detroit tunnel bus. I am a non-US-citizen from Pakistan. I read that I am 'required' to get back on the tunnel bus
I'm cycling around Japan, and a few days ago I cycled the Shimanami Kaido, a series of bridges connecting islands between the mainland and Shikoku in the inland
I understand that Waze has installed beacons in many tunnels around the world. These beacons apparently use Bluetooth to replace the GPS signals, since GPS does
Dìxià Chéng ("Underground City") is a network of bunkers covering around 85 km² under Beijing where 100k to 1M people live. Where can