Instead they have huge underground waterways and docks.

To the south of this road is the risorgive zone, where water resurfaces from underground waterways in spring-fed pools throughout the area.

Water drains out of the basin through underground waterways that descend below the level of the lake floor.

Similarly, she says, "There are a lot of underground waterways in Manhattan and no one knows they're there."

He looked at a map of the city's underground waterways that is nearly as old as the park itself.

The full extent of the cavern and underground waterways in it is still not completely known.

A boat ride that allows passengers to travel along with Sindbad through an underground waterway.

They would be swept through underground waterways, battered and pulped, to be spat out eventually into our lake.

The temple was creatively placed over a series of underground waterways where gravity allows constant water pressure for the various cleansings.

In an effort to further improve trade, Darius built canals, underground waterways and a powerful navy.