Indonesia
Alor Archipelago
Cold upwellings funnel hammerheads and threshers through Alor's volcanic straits.
The boat crosses dark blue channels between volcanic islands, and below, the Pantar Strait does its work: cold, nutrient-loaded water pushed up from the deep, feeding coral in colours that seem lit from inside. The current that built this garden also patrols it.
Alor sits at the eastern end of the Lesser Sundas, its twenty-plus islands wrapped around the Pantar Strait, where deep oceanic currents drive upwellings that make the reefs among Indonesia's richest, funnelling big pelagics through the channel: hammerheads and threshers for divers who time it right, schooling jacks and barracuda for everyone else, with Kalabahi Bay's black-sand muck sites the calm counterpart. Established resorts around Kalabahi run the diving, choosing sites dive by dive because conditions genuinely change that fast, and cold thermoclines can call for thicker suits in the tropics. Ashore, the islands hold remarkable linguistic diversity and the bronze moko drums that still carry ceremonial weight in Alor communities.
Solo
A resort boat pairs one diver with guides who read these currents daily.
Friends
A group of similar certification can ask for the sites their skills unlock.
- The Pantar Strait funnels hammerheads and thresher sharks through its currents.
- Cold thermoclines mid-dive are the strange signature of diving here.
- Over fifteen distinct languages are spoken across this small island group.
- Bronze moko drums remain ceremonially important in Alor communities.
Jagung bose, corn softened with beans in coconut milk, is the Nusa Tenggara staple on Alor tables.
The dive resorts' kitchens carry the stay, cooking to the island's supply and the day's catch.
Central Island
Kenya
Three volcanic crater lakes in three different colours on an island ruled by Nile crocodiles.
Lago Strobel
Argentina
A plateau lake where rainbow trout grow to sizes nature is not supposed to allow.
Acheron River
Greece
Wade into the ice-cold River of the Dead — Greeks believed it flowed to Hades.
Seram Island
Indonesia
Maluku's mother island rises roadless from the coast, walked only with its hosts.
Mentawai Islands
Indonesia
Sago smoke in the longhouse, heavy water on the reef: the Mentawais run two worlds.
Ijen Crater
Indonesia
Sulphur miners and blue fire share Ijen's crater with a kilometre-wide acid lake.