Gotthard Base Tunnel in Switzerland

*Japan has long held the title for world’s longest train tunnel with their Seikan Tunnel in Japan . That tunnel was completed nearly 25 years ago and it is 33.49 miles.  A lot of it is submerged in water, but now the Swiss are throwing their hats into the ring with a train tunnel that will go through “the Alps, traveling between Zurich and Milan in about two and a half hours.” (more…)