Reykjavik

Reykjavik is the world's northernmost capital and one of its most improbable cities — a colourful, creative settlement of 140,000 people perched on a volcanic island just below the Arctic Circle. The city itself is tiny by capital standards: you can walk the entire downtown in 20 minutes, past corrugated-iron houses painted in blues, reds, and yellows, independent bookshops (Iceland publishes more books per capita than any other country), and craft coffee shops where the barista also plays in a band. Hallgrímskirkja — the rocket-shaped concrete church that dominates the skyline — offers a lift-accessed tower view that takes in the city, the harbour, and on clear days, the Snæfellsjökull glacier 120 km across the bay.

But Reykjavik is first and foremost a gateway to some of the most extraordinary landscapes on Earth. The Golden Circle — a 300 km loop from the city — takes in Þingvellir National Park (where the North American and Eurasian tectonic plates visibly drift apart and where Iceland's Viking parliament first met in 930 AD), the Geysir geothermal area (where the original geyser that gave all geysers their name still steams), and Gullfoss, a thundering two-tiered waterfall dropping into a 32-metre canyon. The Blue Lagoon, a geothermal spa set in a lava field 40 minutes from the city, is touristy but genuinely extraordinary — milky-blue water at 38 °C surrounded by black volcanic rock.

The Northern Lights are Iceland's headline natural attraction, visible from September through March on clear, dark nights. Reykjavik's light pollution means you'll need to drive 20–30 minutes out of the city for the best displays, but tour operators run nightly excursions all winter. In summer, the equation flips: the midnight sun means 24 hours of daylight in June, perfect for hiking, whale watching from the harbour, and the infectious energy of a city that barely sleeps. Iceland is expensive — there's no way around it — but the landscapes are genuinely unlike anywhere else on the planet.