Alexander Nevsky Cathedral
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The Alexander Nevsky Cathedral is the most impressive Russian Orthodox church in Tallinn. Built in traditional Russian Revival style on the top of the Toompea Hill, the cathedral was inaugurated in 1900. Ever since it has not been the favourite of the locals, since it reminds of the Russian 

Estonian Museum of Occupations
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Dome Church/ St Mary's Church
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The St Mary's Church, also known as Dome Church, is a cathedral located on the hill of Toompea in the Old Town. Despite its humble size, the building is the oldest church not only in Tallinn, but in the whole country as well. Initially the church was made of wood by the Danes, but later it was