Iconic but still accessible cathedral - historic but with meaning for the every day person. Just follow the spires.
www.canterbury-cathedral.org/
wayfarersall.net/2009/07/22/canterbury-cathedral
Google map: tinyurl.com/3y6mc4a
Updates
No longer so accessible for every one, with a £8 admission fee putting a visit out of reach of many.
Is this your business?