Get ready to uncover the secrets of Berlin's historic U1 line, the city's oldest elevated railway. This in-app audio tour is perfect for anyone intrigued by urban history, architecture, and the evolution of public transport systems. The journey offers insights into the development of a line that has been central to Berlin's urban growth. Starting at the Warschauer Straße station, this self-directed exploration ends at the iconic Gleisdreieck station, guiding you through the city's dynamic districts, across landmark bridges, and into the heart of Berlin's past and future. The route traces the engineering marvel of the U1, showcasing its role in shaping the city's landscape. Listen to stories about the visionary figures who contributed to the U-Bahn's existence while observing the architectural distinctions of each station. Memorable experiences include views of the Oberbaumbrücke, the buzzing Schlesisches Tor area, and the transformative tales behind each stop. As you navigate the highs and lows of the U1's storied tracks, absorb the fusion of old and new that characterizes this vibrant metropolis.