The Fehmarnbelt tunnel will carry two rail lines and a pair of two-lane highways under the Baltic Sea. Femern A/S Editor’s note: Sign up for Unlocking the World, CNN Travel’s weekly newsletter .

Linking Denmark and Germany, the Fehmarnbelt will carry two-lane road highways under the water in both directions, plus two electrified rail lines — a multiple tube thoroughfare that will plunge ...

BERLIN (AP) — One of the busiest railway lines in Germany, the 70-kilometer stretch between Frankfurt and Mannheim, is closing for five months starting as the country launches an effort to get ...

The Fehmarnbelt tunnel will carry two rail lines and a pair of two-lane highways under the Baltic Sea. Femern A/S Editor’s note: Sign up for Unlocking the World, CNN Travel’s weekly newsletter .

One of the busiest railway lines in Germany, the 70-kilometer stretch between Frankfurt and Mannheim, is closing for five months starting as the country launches an effort to get its ...

BERLIN (AP) — One of the busiest railway lines in Germany, the 70-kilometer stretch between Frankfurt and Mannheim, is closing for five months starting as the country launches an effort to get ...

BERLIN (AP) — One of the busiest railway lines in Germany, the 70-kilometer (45-mile) stretch between Frankfurt and Mannheim, is closing for five months starting Monday as the country launches an… ...