The document provides information about several notable landmarks in Sofia, Bulgaria. It discusses landmarks such as the St. Sofia Church from the 4th century, the Boyana Church from the late 10th/11th century, the St. Alexander Nevsky Cathedral completed in 1912, the National Museum of History containing over 650,000 exhibits, the Earth and Man National Museum housing one of the largest mineral collections in the world, and the Vassil Levski Monument honoring a Bulgarian revolutionary leader executed in 1873. It also mentions the Bulgarian Parliament building from 1885, the Ivan Vazov National Theatre founded in 1904, and the National Library of Bulgaria established in 1954.