Beneath the iconic Mundsburg Towers, Hamburg’s U3 waits to begin its journey — a beloved ring line looping through the city center past the Hauptbahnhof, the grand Rathaus, the bustling Landungsbrücken, and lively St. Pauli. More than just a moving piece of the city’s history, it’s also a local inside joke: on this single loop, the weather can change so quickly that you might experience three seasons in one ride.
