To get in a workout while on vacation and see some of San Francisco's top attractions, consider signing up for a walking tour. Local guides lead participants to some of the most interesting areas ...

Big Bus San Francisco also offers night tours of the city, as well as upgraded tickets that include free bike rentals and a guided walking tour. This half-day excursion from Gray Line San ...

Some 70 tours are available and you can register for free online through SF City Guides. SF City Guides, set up in 1978, has more than 300 volunteer guides and is mainly sponsored by the San ...

State of play: The San Francisco Historical Society (SFHS), a nonprofit dedicated to the preservation of local history, provides 90-minute walking tours with subject experts who lead visitors ...

A walking tour on Eventbrite claims to get visitors up close and personal to the "doom and squalor" of San Francisco. The "Downtown Doom Loop Walking Tour." put on by a self-proclaimed expert ...