Ever since Prehistory, humankind has digged tunnels in order to shorten long distances. In caves, under the sea, below great cities... Did you know there’s a secret tunnel under the White House? Did you know that soviets tried to build a tunnel down to the centre of the Earth, which even today is the deepest of the world?

Tunnels shows us the most fascinating holes of the planet, from the most ancient excavations to the hadron collider, including lots of curious and surprising facts.