Bentley Continental GT Speed hit its top speed in the 14.5 km Ryfylke tunnel in Norway, the world's longest and deepest sub-sea road tunnel, reaching 292 meters below sea level. Equipped with ...

The tunnel in Norway, which is expected to be completed in 2033, is to descend nearly 1,300 feet below sea level.

Brown reportedly noticed an unnatural section of rock on a cliff face, which gave way to a cave “that curved downward into the mountain,” Frank wrote. After days of exploring and cataloging, Brown ...