Portugal
Volcanic rock pools refilled by each Atlantic wave, black basalt warm against cold salt.
Salt spray hisses across black basalt as the Atlantic surges through channels worn smooth by millennia of tide. The lava pools hold the ocean's cold in pockets warmed by Madeiran sun, volcanic rock dark and textured against water so clear it turns turquoise in the shallows. Beyond the pools, the north coast drops sheer into white surf.
Porto Moniz holds Madeira's north-western tip, where ancient lava met the sea and fractured into a network of natural swimming pools — reinforced for bathers generations ago, but still wild and tidal in character — the Atlantic sets the day's terms, each wave refilling the basalt bowls with fresh Atlantic. The village above is small and unhurried, the escarpment behind it rising hundreds of metres straight from the water, and the old coastal road that threads tunnels and cliff faces to reach it remains one of Europe's most dramatic feats of road-building — the modern route now does the work, the old one the legend. An aquarium in the little São João Baptista fortress opens a window on the marine life beyond the pool walls, and in winter the fully-exposed north coast turns the village into the island's prime storm-watching seat.
Couple
Floating together in sun-warmed volcanic pools while the Atlantic crashes beyond the basalt walls is as cinematic as it sounds — and clifftop restaurants at sunset seal Madeira's wilder side.
Family
The pools hold sheltered seawater inside their basalt walls, and the fortress aquarium and the dramatic drive keep children engaged between swims.
Friends
Natural swimming, cliff-edge lunches and a legendary coastal drive make a day out that feels like proper adventure rather than a tick-box.
Lapas grilled in garlic butter metres from the rocks they were pulled from.
Fresh fish and poncha above the surf, salt on the wind.

Piula Cave Pool
Samoa
Under the chapel, a lava tube pours cold spring water into a pool full of fish.

Buracona
Cape Verde
For two hours around midday, sunlight sets a submerged lava cave burning electric blue.

Jizan
Saudi Arabia
A tropical port city where African-influenced markets and mangrove creeks meet the Red Sea.

Bonegi Beach
Solomon Islands
A freighter's bow still breaks the surface where she was beached in 1942.

Furnas
Portugal
Hot springs bubble through botanical gardens while stew slow-cooks in volcanic earth.

Sete Cidades
Portugal
Twin crater lakes, one emerald, one sapphire, filling a caldera wreathed in mist.

Lamego
Portugal
Nearly 700 azulejo-clad steps climb through baroque arches to a church above the Douro.

Nazaré
Portugal
Fisherwomen in seven skirts watch surfers ride waves taller than five-storey buildings.