BRENTWOOD — After decades of fears surrounding its stability, the 158-year-old John Marsh stone house near Brentwood will be secured later this month by California State Parks. The long ...

DARTMOUTH — The Allens Pond salt marsh is drowning, says ecologist Danielle Perry. In her tall waterproof boots, she stands atop an old stone wall transecting the marsh's western edge and points ...

For generations the Stone House, as it has come to be known, has cast its spell over far East Contra Costa County, an area of farms, vineyards and subdivisions where the Bay Area blends into the ...

The submerged wall, described as a “thrilling discovery”, is covered by 21m (68ft) of water, but researchers believe it was constructed by hunter-gatherers on land next to a lake or marsh more ...