The best way not to miss any great attractions in Finland, is to do a guided tour in Helsinki. Just use this list of the tried-and-true best guided tours in Helsinki to find the guided tour of your choice. All are bookable online in 4 currencies.

© Jonik, CC LicenseThis guided tour of Helsinki gives visitors the opportunity to see
Helsinki's top attractions such as the old historical center with the Senate Square, City Hall, the Parliament building, the Presidential Palace, and the tour also includes Finlandia Hall and the Helsinki Opera House. Tour is available in English and Swedish.
Length of tour: 1 hr 45 minutes, from US$ 31/EUR 23. Departs daily year-round at the Olympia Terminal.

© Jonik, CC LicenseThis guided audio tour of
Helsinki is available in 12 different languages. Just like the guided tour above, this tour of Helsinki shows visitors must-see attractions and important sights such as the historical center with the Senate Square, Helsinki City Hall, the Parliament building, the Presidential Palace, Finlandia Hall and the Opera House.
Length of tour: 1 hr 30 minutes, from US$ 31/EUR 23. This Helsinki tour departs daily (twice daily in summer) at three different locations in Helsinki.

© VisitFinlandLooking for an adventure? This two-day guided tour departs from Helsinki and takes
Finland visitors north by train towards
Finnish Lapland. This adventure will show you the beautiful Finnish landscape, along with local culture, the Arctic Circle, and so much more! Don't forget to visit Santa and enjoy a reindeer and/or snowmobile ride.
Length of tour: 2 days, from US$ 955/EUR 710, includes food & accommodation. Departs year-round Monday through Friday, at Helsinki Railway Station. Returns to Helsinki Airport.