Let Secret Berlin guide you around the unusual and unfamiliar.Step off the beaten track with this fascinating Berlin guide book and let our local experts show you the well-hidden treasures of this fascinating city. Ideal for local inhabitants, curious visitors and armchair travellers alike. Wander around the hotel lobby where a glass floor reveals excavations of the old medieval townTake a seat in an amphitheatre where animal dissections once took placeLet yourself be moved by the sounds of the largest pipe organ, still used today to bring silent films to lifeTake a break in one of the few well-preserved Baroque vaults housing coffins fitted with windowsClimb onto a bunker that contained anti-aircraft guns during the Second World War and accept a Russian soldier's invitation to admire it from withinTake a dip in one of the most beautiful bathing spots built during Europe's Art Nouveau movementEnjoy a stroll under the Spree riverGo see the very first computer (designed by a Berliner) or the first synthesizer of East GermanyScale the mountain of rubble where a Skiing World Cup race was heldStation yourself at the peak of the artificial hill where aviation pioneer Otto Lilienthal made his first attempts at flightGrab a bite on the island in the Havel river where Werner von Braun launched his first rocketAbsent from the usual "must-see" lists despite residing in the heart of the bustling capital, fascinating historical treasures can be found all over Berlin's city centre and its large surrounding neighbourhoods. Take another look and discover the hidden gems eluding those who think they know Berlin inside out.