Morning: Catch a ferry to the Suomenlinna Sea Fortress, a UNESCO World Heritage Site. Explore the fortress and learn about its history in the Suomenlinna Museum.
Afternoon: Take a break and enjoy a picnic on the island. Visit the Ehrensvärd Museum or the Submarine Vesikko Museum.
Evening: Head back to the city centre for dinner at Savotta, a traditional Finnish restaurant.
Morning: Take a tram to Seurasaari Open-Air Museum to experience Finland's traditional way of life. Explore the island and its 87 historical buildings from different parts of Finland.
Afternoon: Head to the Finnish National Museum to learn about Finnish history and culture.
Evening: End the day with a visit to the Helsinki Cathedral and the surrounding Senate Square.
If you have additional time, consider visiting the Helsinki Design Museum, the Temppeliaukio Church, or the Ateneum Art Museum. For a side trip, visit the Nuuksio National Park for a hike in the Finnish wilderness or take a ferry to Tallinn, Estonia. Don't forget to try the traditional Finnish cuisine, such as reindeer meat and Karelian pasties. To find hotels and flights, click here.