If you’re looking to visit one of Europe’s historical railroad stations, the Berlin Hauptbahnhof probably isn’t it. Opened in 2006, the city’s “main” or “central” station is a modern mix of rail and commercial space, encased in glass. There is, however, something to be said about the station’s upper floor, with a dome that evokes the train sheds of yesteryear (the glass is, however, thoroughly modern and contains 2700 square meters of solar paneling). While several tracks are located below ground, and there is a U-Bahn station further underground that will transport you to the Reichstag or Brandenburg Gate, the...