Rovaniemi
The Arctic Circle runs right through the northern edge of town — there is a painted line at the visitor centre, though it drifts a few metres a year.
Every stop lies above 66.5° north, where the sun stays up for weeks in summer and never rises at all in midwinter.
The Arctic Circle runs right through the northern edge of town — there is a painted line at the visitor centre, though it drifts a few metres a year.
Around 270,000 people — the biggest city above the Arctic Circle in the world. The world's first nuclear icebreaker is moored here as a museum.
The midnight sun runs from 18 May to 26 July, and the polar night from late November. It has more pubs per head than anywhere else in the country.
About 175,000 people live here, making it the second-largest Arctic city. Its smelters have long made it one of the most polluted places on earth.
Known as Barrow until 2016. Around 4,900 people live at the top of the continent, 515 km north of the Arctic Circle.
Think you'd have found them? Play today's expedition, or replay this one from the archive.