And is famous for its Goubuli Buns and colonial buildings. The Italian quarters are my favorite. Good for an easy day trip out of Beijing.
http://www.pbase.com/towkay/image/22901750

But if you are there, do not miss the Yangliuqing Town, which is now part of the Tianjin Suburb. It is the site of a well preserved old mansion, which a family compound of one of the a rich family. (similar to piangyao, but less touristic)
http://www.pbase.com/towkay/image/23920755

BUT the most important reason to go there, is for the New Year Paintings. Yangliuqing is the home for one of the 4 famous styles of New Year Paintings, and they are by far the most popular. You will recognize it when you see it. Each painting has a story, and I find them to be excellent gifts.
http://www.pbase.com/towkay/image/23920802