Stockholm may be the capital and largest city of Sweden, with nearly 2 million inhabitants within its vicinities.The inner city is made up of 14 islands connected by some 50 bridges on Lake Mälaren, which flows into the brackish Baltic Sea, and passes the Stockholm archipelago with some 24,000 islands and islets.Stockholm is just a cosmopolitan place with both classical and modern architecture, and a captivating Old Town, Gamla Stan. Over 30% of the city area is made up of waterways, and another 30% is made up of green spaces. Quality of air is fourth best of the European capitals – behind Zurich, Copenhagen and Vienna.Despite its northern location, Stockholm has fairly mild temperatures through the year. Consequently of its northerly latitude, the city sees a remarkable seasonal variation in sunlight, from significantly more than 18 hours of daylight around midsummer, to around 6 hours of daylight in late December.A bonding ritual and coping mechanism in the long winters, the sauna is an important part of Nordic culture – so a must-do activity while you’re here. Sweat out your stress at Hellasgården, a recreation area inside Nacka nature reserve, a brief bus ride from Stockholm’s Slussen station. Be prepared to strip off completely in their gender-separated saunas and find locals braving a drop in the icy lake, even once the temperatures are well into the minuses.In a classic waterfront red-brick building that after belonged to the customs department, you’ll find a photography gallery with wall upon wall of striking images. Fotografiska has late-opening hours all week and broad rotating exhibitions on everything from feminism to global politics. You’ll also find among the sleekest bars and best cafés in the city here, with panoramic waterside views across Stockholm’s central islands.Stockholmers are involved with nature – and especially Djurgården’s calm waterside and woodland trails. If you’re into your art and history, this island also boasts a number of the capital’s most widely used museums.Stockholm is usually described since the “Venice of the north” on account of its setting. Where Venice is claustrophic and crumbling in a achingly romantic way, Stockholm is just a city that lets you breathe; its finest buildings stand proud on open boulevards or teeter on high ridges overlooking the water. There is a gothic element to much of the architecture; more Prague than Paris.There is definitely an acquarium, worth the visit alone for the spectacular waterside views from its café, which can be next to the bustling amusement park, Gröna Lund, where you could defy grafity on tummy-flipping rollercoasters.