Berlin's Luisenstadt district played a key role in shaping the city we know today, yet surprisingly little of it survives. On this self-guided audio tour, you'll follow the route of a vanished 19th-century canal that once cut through it, linking the River Spree in Berlin-Mitte with a busy inner-city harbour in Berlin-Kreuzberg. Along the way, you'll discover how this waterway later became part of the Berlin Wall border strip—and how local residents reclaimed it after decades of division. The tour begins beside the former canal - transformed into a chain of gardens - just a short walk from the Spree. From there, you'll stroll along Bethaniendamm, past Sankt-Thomas-Kirche, tracing the canal's forgotten course through Oranienplatz. The walk ends at Urbanhafen, the harbour where the canal once joined the Landwehr Canal. Today, it's a favourite local gathering spot, full of lazy sunbathers, hobby musicians, inflatable flamingos and the best seats for a Berlin sundowner.