Reynisfjara — The Black Sand Beach at Vík í Mýrdal, Iceland

The sand here is black because it was lava. Reynisfjara sits on Iceland's south coast beside the village of Vík í Mýrdal, in a landscape built and rebuilt by eruptions, and the beach is the ground-down remains of basalt rather than the quartz and shell that make sand pale everywhere else. The effect in person is a kind of optical trick: the surf stays white, the grass on the headland stays an almost fluorescent green, and the strip between them reads as a shadow laid across the coast. The beach is part of the Katla UNESCO Global Geopark and sits on privately owned land. At its eastern end is Hálsanefshellir cave, with the hexagonal basalt columns that most people come to photograph; to the west is the Dyrhólaey promontory, and on a clear day Eyjafjallajökull is visible from the sand.

The pointed shapes standing out of the water in the distance are the Reynisdrangar, the basalt sea stacks below the mountain Reynisfjall. They are the reason this stretch of coast has shown up on best-beach lists for decades — it was ranked among the ten most beautiful non-tropical beaches in the world in 1991, and rated the sixth best beach in the world in 2021. The coastline is also genuinely mobile. In February 2026, after weeks of strong waves and easterly winds, part of the basalt columns collapsed and the beach eroded significantly; with westerly winds returning in March, Reynisfjara was expected to recover its familiar shape. Whatever a photograph of this place records, it records a particular week.

As a jigsaw, this frame is unusually well behaved at the edges and brutal in the middle. Three long horizontal bands — cloud, sea, sand — give you a fast opening, and the two strongest landmarks in the picture are easy to anchor early: the green headland on the left with its hard cliff edge, and the lone dark stack standing in the foreground sand. Do those first. The problem is the beach itself, which is close to a single flat tone across a large part of the frame; the only thing that saves it is the line of surf, a bright curve running from the left edge down toward the centre that you can follow piece by piece like a seam. Work the surf line inward from the headland, keep the uniform black sand for last, and sort those pieces by how much of the white edge they carry rather than by colour.