I like to photograph buildings. For one it is very hard to capture the essence of a building and to do so without having the other buildings around it detract is hard.
Most buildings I have pictures of are not historical in the classic sense. They are just very good and interesting buildings.
I have photos of some well known historical buildings:
Of course one of the biggest buildings in the world (and it was when completed in 1943) is the Pentagon. This was taken out the left side of a northbound 727 during a trip to DC. I always ask for a window seat in the rear in order to photograph without having a wing in the picture.
However, most of my pictures are really very interesting houses that I have come across in my many holidays.