Photo: Annika Sorjonen / Korkeasaari Zoo, CC BY-SA 4.0 via Wikimedia Commons
Helsinki's zoo, with approximately 150 different animal species. The zoos signature animals are the bears, the free-roaming peafowls and the cats (from tigers and lions to European wildcats). Another highlight is Amazonia, a partly underground house featuring tropical plants and smaller animals such as fish and frogs. Opened in 1889, Korkeasaari is reportedly one of the world's oldest operating zoos. Korkeasaari is connected to the mainland by bridges via Kulosaari and Mustikkamaa islands, and since spring 2016 pedestrians and bikers can take a shortcut from Kalasatama; the Isoisänsilta (lit. Grandfather bridge). From downtown, bus 16 takes you to the gates of the zoo, and if you're driving, you can park for free on Mustikkamaa. During summer you can also opt for a 15-min ferry ride (ferry ticket: €6.95 return, under 18 yr old travel for free) from Hakaniemi and Market Square.
Korkeasaari Zoo, also known as Helsinki Zoo, is the largest zoo in Finland, located in Helsinki's Korkeasaari island. The zoo was first opened in 1889. Today it is operated by a nonprofit foundation.
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Kirsikkapuisto, Roihuvuoren japanilaistyylinen puutarha
Two adjacent Japanese-style parks in Roihuvuori. The best time to visit is in the spring during the cherry blossom when a traditional Japanese hanami is celebrated.
Helsingin sydänkivi
This stone lies at the geographical centre of Helsinki. After using public transport, you will have to continue your journey on foot, as it is in the middle of a forest.
Tammisalon kanava
The canal was dug in 1762 by the owner of the Herttoniemi manor to provide a shortcut for fishermen from Porvoo to the Helsinki Market Square. Before that it was a natural strait, through which Russian warships attacked Helsinki during the Greater Wrath. It was filled in 1794, but was re-opened as a local sight in 2001.
Porvariskuninkaan uimaranta
One of Helsinki's modern cultural centers hosting various galleries.
Ramsinniemen luonnonsuojelualue
A small nature reserve.