About World:

About.com - Geography

Wikipedia.org - The Free Encyclopedia

World Maps:

Google Earth. Offers maps and satellite images for complex or pinpointed regional searches

Perry-Castaneda Library Map Collection

Maps.com - World’s largest map store

Photo Sites:

National Geographic

Panoramio.com - Pictures from around the world

12500 Travel photography of around the World by Roel de Gama

Jorge Tutor. Travel Photography

Flickr - Photo Sharing

TrekEarth. Learning about the world through photography

Travel photo gallery by Frantisek Staud

Other Information:

VirtualTourist - Travel Guides

The Weather Underground