A neoclassical wooden church built in the early 19th century, which is the oldest church in central Helsinki. It's in the middle of the Park of the Old Church, which is also known as the Plague Park (Ruttopuisto) because it was used as a cemetery for many of the victims of the plague of 1710.
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A tiny little park next to the Old church. In the middle there's a statue of 19th century author and scientist Elias Lönnrot (author of Kalevala, the Finnish national epic).
Yrjönkadun uimahalli
An art-deco bath house with historic architecture. Three types of saunas and a swimming pool. Take a sauna and swim in the nude. There are separate days for women and men. Bathing suits are not banned, but almost everyone goes without one. Men's swimming days are: Tuesday, Thursday, Saturday; Women's days: Monday, Wednesday, Friday, Sunday. 1st Floor €5 (or €5.40 with a lockable stall or 'cabin'), 2nd Floor €14. The second floor (accessible only the afternoons from Tuesday to Sunday) includes access to a steam sauna and a wood-heated sauna, as well as a café.
Lilla Teatern
In the Forum block. The largest private gallery of contemporary art in Finland.
Feel creative? Annantalo, a multimodal "house of art" arranges art workshops and courses for both kids and grownups, as well as performances and exhibitions.
The Alexander theater, named after the Russian czar Alexander II and finished in 1879 is likely Helsinki's most beautiful venue for performance art. Occasional shows and concerts in English.