Amazon Interactive - Geography, games, and more!
The Borderland's Encyclopedia (U of Texas, El Paso)
Discovering Mexico (National Geographic)
Expressions of Central America (Stanford Center for Latin American Studies and the School of Education's Learning, Design, and Technology Program) See "Student Interactivities" under Honduras and Nicaragua for some cool puzzles and activities.
Fact Monster (from Information Please)
The Global SchoolNet
An Invitation to Explore Latin American Culture: The Quinceañera
LASER - Latin American School and Educational Resources from Michigan State Univeristy
Little Explorers English/Spanish dictionary
The Mesoamerican Ballgame (Play, watch, and learn! This awesome site requires the latest Flash plug-in. Download provided.)
Mexican Celebrations - Dia de los Muertos
My Spanish Dictionary! (Spanish grammar practice)
Spanish Tongue Twisters: Trabalenguas (Michael Reck)
Tropical America (Latin American History Game - OnRamp Arts)
Verbs in Spanish - How to conjugate and use Spanish verbs.