One spring day last year, Mark Longman was hiking around Castlewood Canyon State Park with questions that mounted with every boulder and rock wall he passed. A career geologist and longtime Denver ...

Among a cluster of state parks and open space preserves in the south Bay Area, Castle Rock truly rises above them all. Not only does it offer a two-hour hike featuring a section where you grip onto a ...

In the “old days,” the bluffs on the beach below Santa Barbara extended to what are today Castillo and Cabrillo boulevards. At this point, there was beach sand and the 50-foot-high bluffs called ...