On the Alentejo coast of southern Portugal, a small wooden gate stands at the edge of a cliff with nothing beyond it but ocean and sky. Locals call it the portas do céu — the gate of heaven — and the joke, or the poetry, is in its uselessness. A short stone path leads you to it, you push through, and… there's nowhere left to go. The path ends. The gate opens onto the Atlantic and the horizon.

That's precisely why the name fits. If a gate-to-heaven exists anywhere, it has to be the one place a path can terminate — and this clifftop perch above Porto Covo is it. A handful of wildflowers around the frame and the endless sea view do the rest of the aesthetic work. It reads less like infrastructure and more like an art installation, which is arguably what it is: a gate with no functional reason to exist, placed where the land simply stops.

Porto Covo itself deserves more than a five-minute photo stop. It's a small, low-key fishing-turned-beach village about 170 kilometres south of Lisbon, known for whitewashed houses trimmed in blue, sheltered sandy coves, and the kind of craggy cliffs the Alentejo coastline does so well. Unlike the Algarve an hour or so south, it stays pleasantly uncrowded even in summer, and it sits inside the Southwest Alentejo and Vicentine Coast Natural Park — a protected stretch of coast that's one of Europe's wildest.

The gate is the kind of quirk that rewards slow travellers. There's no ticket booth, no queue, no viewing platform. You walk a coastal trail, round a corner, and suddenly there's a door standing in open air. Bring a camera; the framing of gate, flowers and horizon is the whole appeal. Then continue along the Fishermen's Trail (Rota Vicentina), the long-distance walking route that threads this entire coastline and passes right through the area, linking hidden coves like Praia da Ilha do Pessegueiro, the little island beach visible just north of the village.

Why should this be on your radar? Because the best holiday moments are often the ones with no entrance fee and no crowd. Porto Covo offers a genuinely Portuguese coastal escape — grillez nas galés (cliff-located) restaurants included — plus a photograph that will make people ask where on earth you went. Just remember: once you're through the gate, the only way is back. That, apparently, is heaven's little sense of humour.