One of California's most expensive infrastructure projects is inching forward in a tiny city on the north coast, where ...

Currently, the world's longest undersea section of a tunnel belongs to the Channel Tunnel, which has a 23.5-mile (37.9 ...

Did you know that there’s a tunnel under Ocean Boulevard? The tunnel in Myrtle Beach hasn’t been the topic of any hit songs, ...

The Mitchell Point Tunnel in the Columbia River Gorge is a re-creation of the crown jewel of the nation's first scenic ...

Scientists have uncovered ancient human migration routes hidden beneath the sea, revealing how early humans moved between ...

When will crews complete the first of 10 projects to build new tunnels connecting New Jersey and New York under the Hudson ...