Surströmming, a fermented herring considered to be a famous delicacy in Sweden, is also known as one of the most pungent foods in the world. Pauline Conradsson/AFP/Getty Images hide caption

itoggle caption Pauline Conradsson/AFP/Getty Images

Icehotel is located 120 miles above the Arctic Circle. The temperature outside is well below zero, but inside the hotel — while still, of course, below freezing — it's much warmer, hovering in the low 20s. Ari Shapiro/NPR hide caption

itoggle caption Ari Shapiro/NPR

Christian Tengblad (right) and his fellow fare dodger are part of the group Planka.nu. Ari Shapiro/NPR hide caption

itoggle caption Ari Shapiro/NPR

Swedish navy corvette HMS Visby patrols in the Stockholm Archipelago, Sweden, in October. The Swedish military was searching for evidence of suspected undersea activity in its waters amid reports of a Russian submarine intrusion. Marko Saavala/TT News Agency/AP hide caption

itoggle caption Marko Saavala/TT News Agency/AP

A year after his cancer diagnosis, Henning Mankell is working on a new novel, and he just directed Shakespeare's Hamlet in his adopted country of Mozambique. Pep Bonet/NOOR/Redux hide caption

itoggle caption Pep Bonet/NOOR/Redux

Residents wait at the bus stop in the Ronna neighborhood, where Syrian and Iraqi refugees are concentrated in Södertalje, Sweden. The Swedish city is known for its open-door policy toward refugees, especially Christian Syrians and Iraqis. People of Middle Eastern origin make up 30,000 of the town's 90,000 residents. Holly Pickett/Redux/Pulitzer Center hide caption

itoggle caption Holly Pickett/Redux/Pulitzer Center

The story of Arthur, a stray who adopted a team of Swedish athletes competing in Ecuador, spread quickly after he refused to be left behind. Krister Goransson/Peak Performance hide caption

itoggle caption Krister Goransson/Peak Performance

WikiLeaks founder Julian Assange attends an August news conference at the Ecuadorean Embassy in London. On Thursday, a Swedish appeals court upheld a 2010 detention order against Assange on accusations of sexual assault. John Stillwell/Xinhua/Landov hide caption

itoggle caption John Stillwell/Xinhua/Landov

The Swedish corvette HMS Visby is engaged in a military operation on the fifth day of searching for a suspected foreign vessel in the Stockholm archipelago, Mysingen Bay, Sweden, on Oct. 21. Swedish authorities say they have proof it was a foreign sub but don't know the nationality. Fredrik Sandberg/EPA/Landov hide caption

itoggle caption Fredrik Sandberg/EPA/Landov

Swedish corvette HMS Stockholm patrols Jungfrufjarden in the Stockholm archipelago, Sweden, on Monday. Swedish authorities say they've detected "foreign underwater activity" thought to be a possible Russian submarine. Anders Wiklund/EPA/Landov hide caption

itoggle caption Anders Wiklund/EPA/Landov

A group of Swedish scientists who are fans of Bob Dylan's music made a bet 17 years ago to see who could work more of the folk singer's song lyrics into their scholarly articles. AP hide caption

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No more helmet hair: Hovding's "invisible" helmet is an air bag tucked away in a collar that gets fastened around a cyclist's neck. It's aimed at urban cyclists and priced at $535. Courtesy of Hovding hide caption

itoggle caption Courtesy of Hovding

Swedish firemen extinguish a burning car Tuesday after youths rioted for a third night in a row in the suburbs of Stockholm. The unrest began after police said they shot dead a 69-year-old man wielding a machete in an immigrant neighborhood. Jonathan Nackstrand/AFP/Getty Images hide caption

itoggle caption Jonathan Nackstrand/AFP/Getty Images

World Shattered, a cocktail by Tyler Fry of the Chicago bar The Violet Hour. The drink includes R. Franklin's Original Recipe Malort, and tames the bitterness with lemon, honey syrup, raspberry and mint. Courtesy of Eden Laurin hide caption

itoggle caption Courtesy of Eden Laurin

Perch exposed to the anxiety drug oxazepam were more daring and ate more quickly than fish that lived in drug-free water. Courtesy of Bent Christensen hide caption

itoggle caption Courtesy of Bent Christensen

In May 2011, uncollected rubbish piled up in Naples, Italy. Sweden hopes Italy might be willing to export the problem. AFP/AFP/Getty Images hide caption

itoggle caption AFP/AFP/Getty Images