Germany provides its guests with a variety of tourist services, starting with the advanced public transportation network, which includes rapid trains, subway (metro), mass transit buses and taxis, through tourist establishments such as hotels, guesthouses, restaurants and cafes, and ending with recreational places such as theaters and public parks. There are also many tourist cities such as Berlin, Munich, Hamburg, Frankfurt, Dusseldorf, Cologne, Stuttgart, Dresden, Hanover, Leipzig, and finally Kiel. The landscape in Germany ranges from the picturesque landscape of the Alps, which is the ideal place for hikers in the summer and lovers of skiing in the winter, to the shining expanse of sandy beaches on the Baltic Sea. There is also the Black Forest, which is one of the most beautiful and most romantic heights. There are many rivers that pass through the Black Forest, including the Danube, the Enz, the Kintzeg, the Murg, the Naguldon, the Neckar, the Rhine and the Elvis. In the Black Forest there is an open-air museum, the Schwarzwälder Freilichtmuseum Vogtsbauernhof. This museum displays the lifestyle of the peasants who lived in the region in the sixteenth or eighteenth century AD, through a number of re-represented farms; The German Clock Museum in Furtwangen presents the history of watchmaking and its makers. There are also many lakes in Germany that provide endless recreational opportunities, in a duality between its picturesque natural scenes and the saturation of its fresh, fresh air. There are also many hotels and tourist resorts that suit all the requirements of tourists.