Japan’s 53.85km Seikan railway tunnel passes beneath the Tsugaru Strait and connects the Aomori Prefecture on Honshu Island and the Hokkaido Island. The Seikan tunnel connects the Honshu and the ...

The Seikan Tunnel in Japan is the longest tunnel with an underwater section in the world, measuring a total of 53.85 kilometers (33.4 miles) in length, around 23.3 kilometers (14.5 miles ...

The ride is apparently meant to represent a journey to the core of the Earth. The Seikan is a railway tunnel in Japan, but what makes it unique is the fact that a 23-kilometer (14.2 miles ...

But, Japan's Seikan Tunnel puts the iconic Channel to shame. Despite opening six years earlier in 1988, this railway tunnel ...

Another long tunnel, the Seikan tunnel linking the Japanese islands of Honshu and Hokkaido under the Tsuguru Strait, has a 23.3km portion below the waves. Safaei’s comments suggest Iran would ...

making it officially the longest tunnel in the world, surpassing Japan's 14-1/2-mile Seikan Tunnel. Swiss authorities held a media day inside the tunnel on Monday to announce that most of the ...

2014 marks the 20th anniversary of the opening of the Channel Tunnel The 24.5-kilometer Laerdal Tunnel in West Norway is the world's longest road tunnel At 460 feet below sea level the Seikan ...