In this guidebook to children's museums in the United States, more than 200 contemporary museums, science centers, and discovery centers are listed along with brief descriptions and important contact information. All of the museums listed offer educational programs or activities tailored specifically to children, including permanent children's displays and interactive, hands-on exhibits.Entries are organized by state, from Tuscaloosa, Alabama's Children's Hands-on Museum to Laramie, Wyoming's Territorial Prison and Old West Park. Each entry includes a brief description of the museum, followed by its hours of operation, admission fees, contact information and nearby sites of interest. Organized in a simple, accessible format, this guidebook is designed as a valuable resource for parents and educators looking for at-a-glance descriptions of educational museums and science centers, many of which offer free admission for children or have low fees. An appendix describes important museum associations, including the Association of Youth Museums, the Association of Science-Technology Centers, and the American Association of Museums.