Attraction World is offering a free restaurant voucher worth $25 when clients book a 48-hour hop on/off bus pass in San Francisco.

The four-in-one tour offers more than 20 stops throughout the city and surrounding areas and leads in at £32 per adult and £20 per child (aged five-11).

Tour options include a 90-minute 'Downtown Tour' of the city's most famous attractions including Fisherman's Wharf, Barbary Coast, Financial District, City Hall, Union Square, Chinatown, North Beach, Lombard Street and Pier 39; a 90-minute Golden Gate Bridge & Sausalito Tour; a Golden Gate Park Tour; and a San Francisco Night Tour.

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