The idea of linking London and New York with an underwater tunnel has fascinated engineers and sci-fi fans for years.

Despite being the longest train tunnel in the world, alternatives like the Seikan Tunnel in Japan's Tsugaru Strait and the Channel Tunnel connecting the UK and France offer quicker routes.

Channel Tunnel between England and France and the present record-holder, Japan's 54-kilometer-long (33.6-mile-long) Seikan Tunnel. It will stand alone on the engineering front as well. Where its ...

MALAYSIA: Deep beneath Malaysia’s Titiwangsa mountain range, engineers are steadily progressing on what will become Southeast Asia’s longest railway tunnel. This tunnel, a critical part of the ...