The tram network, found in the Eastern side, is fast and convenient, with some night-links available. Built in 1865, it is one of the oldest and largest tram networks in the world with 22 lines, 382 stops and measuring 191.6 kilometres in length. 9 of these lines operate 24 hours a day and can be identified by the M before their name. Tram 68 was named by National Geographic Society as one of the 10 Great Streetcar routes in the world. You’re visiting Berlin to see the sights, so hop on the tram and enjoy them en route to your next point of interest.