Incredible UNESCO World Heritage Sites in the U.S.
One of the biggest natural tourist attractions in the United States, the Grand Canyon is a deep, massive, picturesque canyon in Arizona. According to UNESCO, "its horizontal strata retrace the geological history of the past two billion years."
The Public Defender Service- http://www.pdsdc.org/
Vital Voices - supports women's rights in many countries & has been particularly active in fighting trafficking
National Geographic Society- http://www.nationalgeographic.com/about/