Many, even most, teachers have probably read or heard about the potential of the Internet and feel an obligation to use it in their classrooms. But, despite vast improvements in the quality of educational materials on the Internet, they are left with frustrating questions. How do teachers wade through the overwhelming amount of "information" on the Web to access the remarkable array of historical documents and research now available online? How can teachers incorporate new media into their syllabi and lesson plans? How can teachers teach critical new media skills effectively, from identifying and evaluating websites to citing them appropriately? In the light of the phenomenal growth of the Internet, its increasing importance in the history classroom, and the significant time commitment required to identify and explore quality sites, teachers need tools for navigating its vast but uneven resources. This article provides an overview of one such tool, "History Matters," a free, non-commercial, website designed to assist history teachers at high schools and colleges around the world. (Contains 5 notes.)