Moscow Metro, Russia

One of the proudest achievements of the Soviet era, Moscow Metro, opened on 15 May 1935, is recognized as the most beautiful subway in the World making it an important tourist attraction for those who like adventure and open museums, as many of its stations are architectural masterpieces, heavily themed-up with chandeliers, reliefs, mosaics, and heroic statues, and decorated with marble, stained glass panels and bronze sculptures, expounding the benefits of a healthy communist life.

The construction of the Metro began under Joseph Stalin's command, and being one of the Soviet's most ambitious building projects, the iron-fisted leader instructed designers to create a place full of svet "radiance" and svetloe budushchee "a radiant future", a palace for the people and a tribute to the Mother nation. "They used to have palaces for kings, we are going to build palaces for the people" said one of its main architects.

The most beautiful metro stations are those that were built under Stalin such as the Revolution Square station with its magnificent sculptures of the Soviet people, Kurskaya Station Lobby displaying the Hall of Fame of the World War II, the Komsomolskaya station with its impressive mural mosaics of Russian glorious victories, and the Novoslobodskaya station with its lovely stained glass under the ground and many many more.

As of 2016, the Moscow Metro has 229 stations serving around 7 million passengers daily with 12 lines, and its route length is 339.1 km (210.7 mi), making it the 5th longest in the World. The system is mostly underground, with the deepest section 84 meters (276 ft) underground at the Park Pobedy station, one of the World's deepest.

The average distance between stations is 1.7 kilometers (1.1 mi); the shortest 502 meters (1,647 ft) section is between Vystavochnaya and Mezhdunarodnaya and the longest 6.627 kilometers (4.118 mi) is between Krylatskoye and Strogino. Long distances between stations have the positive effect of a high cruising speed of 41.7 kilometers per hour (25.9 mph).