Helsinki Cathedral (Tuomiokirkko)

Helsinki Cathedral is the white neoclassical landmark that defines the city's skyline — a domed church sitting atop a monumental flight of steps on Senate Square that is visible from the harbour and has been the symbol of Helsinki since Carl Ludvig Engel completed it in 1852. The building is pure Nordic Neoclassicism: white walls, green copper dome, Corinthian columns, and a severity of line that makes Mediterranean churches look hysterical by comparison.

The interior is deliberately austere — white walls, minimal decoration, and a simplicity that reflects the Lutheran theology of the Finnish church. After the ornate excess of Catholic and Orthodox churches elsewhere in Europe, the emptiness of Helsinki Cathedral is either a relief or a disappointment depending on your tolerance for decorative restraint. The organ, built by Kangasala in 2004, is the exception — a magnificent instrument whose concerts fill the nave with sound that the plain walls reflect with remarkable clarity.

Senate Square below the cathedral is Engel's masterwork — a neoclassical ensemble of the cathedral, the University of Helsinki, the Government Palace, and the National Library that was designed as a unified composition and represents Finland's most complete neoclassical urban space. The square is the gathering point for Helsinki's major public events — Independence Day celebrations on December 6, New Year's Eve, and the summer market that fills the cobblestones with stalls. The statue of Tsar Alexander II at the centre is a reminder that Finland was a Russian Grand Duchy when the square was built, and that the Finns have a complicated relationship with the empire that gave them their most beautiful architecture.