Kiasma Check out Finnish and international modern art for free on the first Sunday each month.
Suomenlinna Spend a day exploring Finland's fortress set over a series of islands (transport extra).
Hakaniemen Kauppahalli Experience the hustle, bustle and heavenly aromas of this traditional-style market hall.
Ratikkamuseo This free tram museum is a must for vintage-transport buffs.
Ruiskumestarin talo Learn what 19th-century life was like in Helsinki’s oldest, beautifully preserved wooden townhouse.
Työväenasuntomuseo The life of early 20th-century industrial workers is covered in this wooden-house museum.
Arabiakeskus The free Iittala & Arabia Design Centre museum offers a Finnish design history lesson.
Helsinki Art Museum There's always one free contemporary-art exhibition at the excellent HAM.
Sinebrychoffin Taidemuseo The house museum in these 19th-century former brewing offices is free.
Kaapelitehdas Numerous exhibitions and events at this cultural centre in a former cable factory are free.
Kamppi Chapel Spend a moment of quiet contemplation in this curved wooden chapel, constructed in 2012.
Temppeliaukion Kirkko Bored into a hill of solid rock, this astonishing church is a visual and acoustic treat.
Vanha Kirkko A vision of white timber, this 1826 church is the work of prolific architect CL Engel.
Tuomiokirkko Helsinki's chalk-white neoclassical Lutheran cathedral is a CL Engel masterpiece.
Uspenskin Katedraali Crowned by onion domes, this former Russian Orthodox church now serves the Finnish Orthodox congregation.
Kallion Kirkko Rising 65m in height, this Lutheran church is visible from afar.
Kotiharjun Sauna Dating from 1928, this is Helsinki's only original traditional public wood-fired sauna.
Löyly Sauna A smoke sauna is part of this sustainably powered complex, built from timber in 2016.
Sky Wheel Helsinki's sightseeing Ferris wheel has a special 'SkySauna' gondola cabin.
Allas Sea Pool In addition to pools, this 2016-built harbourfront complex has three saunas.
Helsinki Sauna Day Numerous private saunas across the city open to the public for free on Helsinki Sauna Day.
Yrjönkadun Uimahalli This art deco complex's saunas are beloved by Helsinki locals.
Parks & Gardens
Kajsaniemi The city's botanic gardens shelter Finnish plants and fabulous greenhouses.
Esplanadin Puisto In the city centre, this stately strip of green is a favourite summer hangout.
Kaivopuisto Drinking, dining, strolling and stargazing are some of the highlights of this waterfront park.
Tervasaari Tar Island was once home to tar warehouses and is now a landscaped park.
Observatory Hill Park The namesake observatory at this park now houses an astronomy-focused museum.
Nuuksio National Park Spanning 4500 hectares, this sprawling national park is just 35km northwest of the city.
Ateneum Finland's finest art museum has a splendid array of works by the nation's artists.
Kiasma Displays an eclectic collection of Finnish and international modern art alongside striking contemporary exhibitions.
Helsinki Art Museum Almost all of the 20th- and 21st-century artists represented at Helsinki's contemporary-art museum are Finnish.
Sinebrychoffin Taidemuseo Old masters are among the treasures at this house museum in 19th-century former brewing offices.
Amos Andersonin Taidemuseo The home of publishing magnate Andersonin remains open; the nearby Amos Rex opens in 2018.
Didrichsen Taidemuseo Paintings by Picasso, Miró and Kandinsky are among the treasures at this island-set villa on Kuusisaari.
Villa Gyllenberg Kuusisaari makes a gorgeous setting for this wonderful private gallery.
Gallen-Kallelan Museo One of Finland’s most celebrated artists, Akseli Gallen-Kallela, lived and worked at this lakeside spot.
Espoo Museum of Modern Art It's worth the trip to the satellite city of Espoo to view this museum's huge collection.
Halosenniemi Changing works by Pekka Halonen and his contemporaries are displayed at his lakeside log-built studio.
Kaivopuisto Stroll or swim in summer and toboggan in winter at this expansive park.
Allas Sea Pool Do laps with views over Helsinki's skyline at this state-of-the-art harbourfront swimming complex.
Jääpuisto Twirl on the ice in winter at this large outdoor ice-skating rink.
Natura Viva Take a kayaking tour around Helsinki's archipelago, or rent a kayak to explore by yourself.
Hietaranta Brave the icy waters, or walk along the golden sands at Helsinki's best beach.
Serena Ride water slides and splash in the pools, or downhill ski in winter.
Nuuksio National Park Summertime hiking, winter cross-country skiing, wildlife spotting and camping are all possible here.
Olympic Swimming Stadium Diving platforms and a kids' pool are among the facilities at this Olympic swimming centre.
Yrjönkadun Uimahalli Beautiful art deco surrounds make swimming here superb.