See Peter Dazeley's photos of Hidden London at Messy Nessy Chic.
Above is a pic of Henry VIII's wine cellar originally built in the 1500's.

Lots more at:  http://www.messynessychic.com/2014/02/28/a-backstage-pass-to-hidden-london/

and http://www.peterdazeley.com/

No one has ever made a sewage pumping station look so beautiful.

His photos are pretty dang amazing.
Check out other series including The Krays - about twin gangsters from the 1960's, The Third Reich, and Things in Jars.