Nicknamed cathedral of the marshes after the adjacent Erith Marshes, this magnificent building features spectacular ornamental cast ironwork.
The exterior originally had a giant humbug-striped chimney, and its doorways were modeled after Norman cathedrals.
The ornate interior of Crossness Pumping Station in London.
Bazalgette also built three huge embankments along the shores of the Thames inside which ran the sewer lines.
The interior of Crossness Pumping Station.
Photo credit:David Edwards/Flickr
Photo credit:Gabrielle Ludlow/Flickr
Photo credit:andrew/Flickr
Photo credit:Jay Peg/Flickr
