You can learn Mandarin with me or read about the history of China or see all of the cool sites this country has to offer by viewing the following websites:
Nciku Online English-Chinese dictionary that lets you read, write, and hear Mandarin
Lonely Planet Displays a list of the top things to do while in Beijing
Wuhan Time Gives information for travel, business, and life in Wuhan, China
The Beijinger Offers resources for Beijing expats; such as night life, travel, and dining
Google Translate This is basically an essential site for learning new vocabulary and hearing the tones spoken