France
White limestone calanques plunging into water so blue it silences conversation on the boat.
The boat rounds the headland and the first calanque opens up — white limestone walls dropping sheer into water so intensely blue it looks synthetic. Cassis in France sits in a natural harbour between the calanques and the vineyards, a fishing port where the catch still comes in at dawn and the day's first rosé is poured by ten. The light here is hard and clean, the kind that makes shadows sharp.
The Calanques de Cassis are a series of narrow limestone inlets stretching east towards Marseille, formed by river erosion during lower sea levels and flooded as the Mediterranean rose. The cliffs reach heights of 400 metres and the water below, sheltered from currents, maintains exceptional clarity. Cassis holds one of France's smallest wine appellations — just 215 hectares — producing predominantly white wines from Marsanne, Clairette, and Ugni Blanc grapes grown in limestone soil metres from the coast. The harbour town has been a fishing port since at least the 1st century AD. Cap Canaille, rising 394 metres east of the port, is one of the highest sea cliffs in France.
Couple
Boat trip to the calanques in the morning, lunch at the harbour with the local white wine, swim from the rocks in the afternoon. The day practically plans itself.
Friends
The coastal path from Cassis into the calanques is a scramble through pine forest to hidden swimming spots. Each inlet is another discovery — pack lunch and stay all day.
Bouillabaisse served the correct way — broth first, then the fish — with rouille-smeared croutons.
Cassis white wine from the tiny harbour-adjacent appellation, mineral-bright and rare.

Miyako Island
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Coral limestone bridges spanning to tiny islands across water so blue it hurts to look.

Bandar Khayran
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Secret coves reachable only by boat, where the Hajar Mountains tumble straight into the sea.

Plettenberg Bay
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A 9km trail around Robberg Peninsula where seals, sharks, and whales circle in the water below.

German Channel
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A reef passage dynamited by German colonists for phosphate cargo, now a manta ray highway.

Pic du Midi
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An observatory at 2,877 metres where you sleep above the clouds and count stars.

Aiguille du Midi
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Glass floor at 3,842 metres — nothing between your feet and a kilometre of granite.

Chamonix
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Glaciers cracking overhead as the Aiguille du Midi lifts you 3,842 metres into thin air.

Saint-Émilion
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Underground churches and wine cellars carved into limestone beneath a village drowning in vines.