Omsk wears three centuries on one riverbank: a Petrine frontier fortress, the prison that broke and remade Dostoyevsky, and the 1918–1920 seat of Admiral Kolchak's White government. Three days follow that thread from Tobolsk Gate to the Irtysh embankment.
Siberia's oldest regional museum (1878) on Lenina 23a holds Bronze Age Andronovo bronzes, Sargatka culture burial gold from the Irtysh steppe and Siberian Tatar khanate material predating the Russian fortress. Open 10:00–18:00, closed Monday.
The 1769–1773 garrison cathedral was the fortress's first stone building, where the young Dostoyevsky attended services as a convict. Demolished in 1958, it was rebuilt brick-for-brick on the original foundations and reopened in 2016.
The Tobolsk Gate of 1791–1794 is the only original surviving gate of the second fortress, built under Catherine II when Omsk anchored the Irtysh defensive line. Convicts including Dostoyevsky passed through it to work on the riverbank.
The restored fortress quarter around Partizanskaya street includes the 1799 Commandant's House, the arsenal, guardhouse and reconstructed Tara Gate. Exhibits cover the 1716 Bukholts expedition that founded Omsk as a Cossack outpost.
The Batyushkin merchant villa on Irtyshskaya Naberezhnaya 9 served as Admiral Kolchak's residence when Omsk was the capital of White Russia in 1918–1919. Rooms are restored to the Civil War period, with documents from the Supreme Ruler's cabinet.
A stark granite memorial to Omsk residents shot or deported during the Stalinist terror, when the city was a transit hub of the Siberian Gulag network. Nearby stands the rebuilt Dormition Cathedral, dynamited in 1935 and restored in 2007.
Housed on Tarskaya, this museum covers the evacuation of Leningrad's Kirov tank works to Omsk in 1941, which made the city a T-34 production centre, plus the Siberian divisions raised here. Open 10:00–18:00, closed Sunday–Monday.
The Victory Park on the left bank holds the Eternal Flame, an open-air line of T-34s, artillery and a Katyusha launcher, and memorial walls listing the roughly 130,000 Omsk region residents killed in the Second World War.
In the 1799 Commandant's House on Dostoyevskogo 1, the museum tracks the writer's 1850–1854 sentence in the Omsk katorga — leg irons, prison records and the New Testament he was given at Tobolsk, later the seed of 'Notes from the House of the Dead'.
Omsk's late-19th-century commercial spine, lined with the Trade House of the Ovsyannikov brothers, the 1905 Moskovskiye Ryady arcade and Art Nouveau facades built on Trans-Siberian Railway money, plus the bronze Lyuba statue of 1999.
The 1862 Governor-General's Palace on Lenina 23 housed the administration of the whole Steppe region and later Kolchak's government offices. It now shows Siberian icons, 18th-century portraits and Mikhail Vrubel's early work — he was born in Omsk in 1856.
The confluence where Ivan Bukholts's men raised the first earth-and-timber fort in 1716. Interpretive markers on the Om embankment trace the outline of the first fortress, long since built over by the city that grew from it.