A to Z maps online approximately 145,000 maps

A to Z world food – food culture and traditional recipes database for 174 countries.

A to Z world travel – 202 city travel guides

Duolingo – Free language education for the world.  This site will help you learn Spanish, French, Italian, German and Portuguese.

Global Warrior country cultural database for 175 countries, resource for student projects

Lingo Lite – images, text, and native speaker video to help you learn vocabulary up to four times faster than any other method