I love urban photography - the deevolution of the landscape and the decay and decompostion that brings with it a sense of stoic beauty.
Photographer Kevin Bauman embarked on an ambitious project. He began photographing Detroit's abandoned and deteriorating houses back in the late 1990s. His intention was to create a record of a Detroit past - a time of splendid homes and great architecture. He wanted to preserve these images before all was torn down. Many of these hosues are still standing, thanks to a recession that stopped redevelopment in that city.
The series is called 100AbandonedHouses and you can see them all on his website KevinBauman.
There are many interesting art books that capture the essence of old and decaying architecture. This one is particularly interesting: