Red Square is one of the oldest and largest squares in Moscow, Russia. It is located in Moscow's historic centre, in the eastern walls of the Kremlin. It is the city's most prominent landmark, with famous buildings such as Saint Basil's Cathedral, Lenin's Mausoleum and the GUM department store. It has been a UNESCO World Heritage Site since 1990. Red Square has been the scene of executions, demonstrations, riots, parades, and speeches. Almost 73,000 square metres, it lies directly east of the Kremlin and north of the Moskva River. A moat that separated the square from the Kremlin was paved over in 1812.