Paris has a deeper and stranger connection ... Tourists who’d like a more in-depth underground experience can sign up for a walking tour that includes a stop at a “ghost” station.

Deep in the heart of Paris, a series of underground tunnels snakes across the city. They cross into unkept public spaces from centuries ago that have since vanished from collective memory ...

Deep beneath the bustling streets of Paris, a hidden labyrinth of tunnels houses the remains of more than six million people, ...

One of the most important things to ask when planning a Paris city break is ... like the vaulted underground hidey hole 38Riv ...

Why not use them to grow mushrooms - or even salad? Paris built too many underground car parks in the 1960s and 70s. Falling car ownership means many are standing empty, or finding new and ...