Robert and Shana ParkeHarrison create some of the most beautiful and haunting photography that I've ever seen. It's surreal, and at the same time, it perfectly exhibits the struggle between man, technology, and nature.
Sometimes the images immediately evoke a sense of sadness for the loss that human expansion and ambition have brought to the Earth while at other times, the ParkeHarrison's rely upon the absurdity of technology to get their message across.
There are also some interesting steampunk elements to their work, so if you're interested in that genre, definitely take a look at some the ParkeHarrisons' additional images. There's a full exhibition online entitled The Architect's Brother.
Master's of Photography also hosts a ParkeHarrison portfolio containing 23 images.