Google ever had image search tool that help you find the beautiful images you want. Now, with Google similar images labs, you can find more similar images of a keyword on one screen. Each image has size, type and a link that points you to other pages displaying similar images. For example, I would like to search similar images of 'Angkor Wat' in cambodia, the result returns as below (Click on the image to enlarge):
Vietnamvoiz.com
Vietnamvoiz.com