Contra Costa County is a county located in the state of California, United States. It is situated in the East Bay region of the San Francisco Bay Area and covers an area of approximately 720 square miles. The county has a population of around 1.15 million people, making it one of the largest counties in the state.

Vasco Caves Regional Preserve is home to a stunning and unique combination of resources. Spectacular rock outcrops break suddenly from the rolling eastern foothills of Mount Diablo, providing magnificent scenery for hikers and geologists alike. Though ancient, the Preserve's resources are extraordinarily fragile, and exist today because of the land's isolation and past efforts to keep it secret.

Bay Area Skydiving is a skydiving center located in Byron, California, which is about an hour east of San Francisco in the San Francisco Bay Area. It offers tandem skydiving, solo skydiving, and skydiving lessons for those who want to become certified skydivers.

Campos Family Vineyards is a beautiful 44 acre Vineyard Property that includes a Tasting Room, Event Center, Concerts, Wedding Area Baseball Field, Bocce Court and much more. It Offers Wine Tasting, Weddings, Concerts, Events, Private Parties, Family Movie Nights, Wine Maker Dinners and much more.