From the CIA, this resource provides basic information on the history, people, government, economy, energy, geography, environment, communications, transportation, military, terrorism, and transnational issues for 258 world entities. 

A service of the National Library of Medicine (NLM), the world's largest medical library, this resource presents high-quality, relevant health and wellness information that is trusted, easy to understand, and free of advertising, in both English and Spanish.

Smarthistory has become the most visited art history resource in the world. Students will find useful information for any projects that require information on art, culture, society, and history. 

The UNESCO World Heritage List includes 1248 properties forming part of the cultural and natural heritage which the World Heritage Committee considers as having outstanding universal value.