South Korea
At the year's extreme tides, the sea pulls apart and a mud road opens between islands.
The sea separates, not gradually: the water tears back to expose a land bridge of mud and rock between Jindo and Modo. Hundreds of thousands walk it barefoot in a single festival week.
The Jindo sea-parting happens when extreme low tides expose a 2.8-kilometre path between islands, a limited window measured in about an hour of safe walking rather than a standing causeway. The island around the spectacle holds its own: the Jindo dog, a protected national breed; hongju, the gromwell-red rice liquor distilled here for four centuries; and battle history from Admiral Yi's straits. Southwestern weather, fog and wind included, is part of the island's character.
Map data © OpenStreetMap contributors · Powered by Geoapify
Family
Children can grasp the tides through the timed sea road, then shift to art or naval history when it disappears.
Friends
Coordinate the low-water window as a team and reserve the wider county circuit for after the crossing.
Couple
Share the brief exposed route, then choose one cultural site together instead of waiting all day for the sea.
Hongju, the gromwell-red island liquor, has been distilled here for four centuries.
When the sea road opens, the festival grounds fill with seafood stalls.

Abaiang
Kiribati
At high tide the sea surrounds Tebunginako's church; the village choir times services around it.

Abbotsbury
England
A swannery where six hundred mute swans nest in reed beds behind the Chesil Bank.

Abel Tasman National Park
New Zealand
Golden bays between forested headlands, reached only on foot, by kayak or water taxi.

Aberdaron
Wales
A church on the sand where pilgrims ate their last meal before the island crossing.

Andong Hahoe Village
South Korea
One clan has lived inside this river bend for six hundred years.

Baengnyeongdo
South Korea
White quartzite cliffs stand twelve kilometres from North Korea's coast.

Banwol Island
South Korea
In 2015 an entire farming island painted itself purple, roofs to bridges.

Boseong
South Korea
Five hundred hectares of tea rows climb into the morning fog in parallel lines.