Many visitors to San Francisco may not realize that the famous Sonoma and Napa Valleys are less than an hour's drive away. If you are visiting the City, make plans to spend a day exploring the famous Wine Country in the comfort of a fully-outfitted tour bus. 

View a photo show of this adventure on USA TODAY/10Best

Two San Francisco companies that come highly recommended for their outstanding wine country tours, featuring knowledgable and personable tour guides, include:

Extranomical Tours   www.extranomical.com

Tower Tours             www.towertours.com