The tides have also exposed one of the world’s richest fossil deposits of the Earth’s first reptiles which lived here 300 million years ago. As the water recedes, massive tidal flats are exposed.

A23a is vast. Its flat, table-like top stretches to the horizon Something remarkable has happened to A23a, the world's biggest iceberg. For months now it has been spinning on the spot just north ...

The tides arrive in three sets (November, December, January) over three days. These are the largest swells that kiss Washington’s beaches for the year, then recede. King tides happen when the ...