or more than a century, people in the Bay Area — and especially the East Bay — have puzzled over the existence of stone walls scattered on ridges from near San Jose north through the Berkeley Hills.

Plus, Curtis Stone’s pie ... with the lacquered-wood walls, a signature design element of the world-famous, Venice-founded restaurant and bar that debuted in Beverly Hills earlier this year.

Old curving stone walls ... Known as the Oley Hills site, one ridge features a complex —some would say artistic — group of cairns, walls, a curved-row platform, a terrace and other formations ...

The Friends star, who also owns a contemporary $6 million Pacific Palisades pad, dropped just under $5 million for his new abode in the Hollywood Hills in ... entryway with stone tile floors ...

Fountain Hills, which was named a Dark Sky Community in 2018, is planning the groundbreaking of its International Dark Sky Discovery Center. Construction is scheduled to start in March.