Climbing on mountains seems a natural thing to do, why shouldn't this apply to buildings? At Oslo Opera house you can literally walk on the roof without getting arrested. This epic masterpiece is very iconic. While it acts as an eye-candy, its primary purpose is to showcase beautiful ballet and opera performances from all over the world. They update their website with upcoming performances.

If you (that's almost everyone) enjoyed childhood stories of Vikings then here's something you don't want to miss. This museum has preserved Viking ships Gokstad, Tune and Oseberg. If that's not enough, there are displays of skeletons found alongside the boats. Different domestic items such as carts, tools, jewellery and textiles from Vikings age are also exhibited here. After being mesmerized by the showcase you can purchase jewellery, books, wood carvings, posters, postcards and an even replica of the Viking ships at the museum store.

Akershus Fortress is a great place to find out about the history of Olso. It is a royal castle modernised into a Renaissance castle and royal residence, situated in the city centre by the Oslo Fjord. Not much into historical facts? Not to worry, as fortress area is a popular venue for major events, including concerts, holiday celebrations and ceremonies.

What if we say that you can get a glimpse of a different region of Norway through different period under one single roof? Technically, not a roof, as Norsk folk museum is Europe's largest open-air museum that exhibits more than 140 traditional buildings. In summer, this museum offers freshly baked lefse (traditional Norwegian flatbread), demonstration of weaving, Pottery-making and other cultural activities. Visiting on a Sunday is a good idea as they have most activities on Sundays.

The most creative place in the history of sculpture at is the Vigeland Sculpture Park. With more than one million visitors every year, Vigeland Sculpture Park is Norway's most visited attractions. The entire park is the life work of Gustav Vigeland with more than 200 sculptures depicting various human emotions. You are free to click pictures here. This popular recreation area is open all year.