Real-africa.co.uk - Africa- Real adventures, Beyond your average safari
Travel.state.gov - World- Traveling internationally? Find out what you need to know.
Lonelyplanet.com[also books] - World- In depth travel services
Comebackalive.com - World- latest info and tips on high risk areas
Away.com -World-Travel Guides, Advice from Experts
Travelchannel.com - World- Family Trips & Vacations
Ihavethebug.com - World- Popular travel destinations

Adventure Travel in the Third World - Third World- Everything you need to know to survive in remote and hostile destinations
The World's Most Dangerous Places

Feel free to post suggestions!