New York Penn Station is the busiest train station in the United States, with over 600,000 passengers passing through each day.

New York Penn Station is also known as the 'Grand Central Terminal'.

Chicago Union Station is located in the heart of Chicago.

Washington Union Station is the oldest train station in the United States, having been built in 1907.

Los Angeles Union Station is known for its iconic clock tower, which is one of the most recognizable landmarks in the city.

King's Cross Station is located in the heart of London.

St Pancras International is known for its beautiful architecture, which includes a grand arched roof.

Gare du Nord is located in the heart of Paris.

Gare de Lyon is known for its high-speed rail connections, which include the TGV (Train à Grande Vitesse).

Roma Termini is located in the heart of Rome.

Roma Ostiense is known for its ancient ruins, which include the remains of an ancient Roman port.

Berlin Hauptbahnhof is located in the heart of Berlin.

Berlin Hauptbahnhof is known for its modern architecture, which includes a glass roof and a large atrium.

Tokyo Station is located in the heart of Tokyo.

Tokyo Station is known for its bullet train connections, which include the Shinkansen (Super Express).