Photo: Mikkoau, CC BY-SA 4.0 via Wikimedia Commons
Also known as Kolmikulma (the triangle), this pocket sized park is a nice place to take break from your sightseeing in the summer and just sit down on a park bench and have an ice-cream.
Kolmikulma, also known as the Diana Park, is a small, rectangular triangular-shaped park located in the Kaartinkaupunki district in the city center of Helsinki, Finland. It is limited by the Yrjönkatu, Uudenmaankatu and Erottajankatu streets. The park was renovated in 2006 and 2007.
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Merkki
In the newspaper museum you can learn more about the history of newspapers - journalism and printing.
Exhibitions of modern commercial and industrial design and modern art. The permanent exhibit in the basement showcases the history of consumer-goods design over the course of the 20th century, with a particular focus on the contributions of Finnish designers. If you're a fan of Finnish design products like Marimekko fabrics, Arabia porcelain and Iittala vases and their prototypes this is definitely not a place to miss.
Johanneksenkirkko
The largest church in Helsinki and a fine example of Gothic Revival architecture.
Saksalainen kirkko
The Lutheran Church of the German community is situated at the foot of the Observatory Hill and is a visible landmark if you are walking from the Silja Line ferry towards downtown. The Neo-Gothic church was built in 1864 and is also a venue for liturgical and classical concerts.
Tähtitorninvuori
As the name reveals, this hill rising above the Olympia and Makasiini terminals of South Harbor hosts an observatory, and from the hill you have a nice albeit partial view over the city centre (part of the view is obstructed by trees). It is also the place for people to picnic on the may day festival Vappu and on the morning of the Finnish Independence Day the hill hosts a televised flag rising ceremony.
Also known as "Koffin puisto", it's in Punavuori district next to the Sinebrychoff art museum. Popular with young people, in the summer it is full of people having picnics or just drinking pussikalja (literally: "beer in a bag", means buying beer from a supermarket and drinking it outdoors), while in the winter kids ride sleds down the snowy slope.