CIA
The CIA World Fact book provides generic information about almost every country and island on the planet
Weather Underground
They provide weather reports to almost every country on the planet. The weather is updated regularly throughout the day. Excellent weather information
Weather
The same as Wundergound weather although they have better maps.
Lonely Planet
They provide guide books to almost everywhere on the planet. Especially useful for more exotic or less visited destinations.
Giving it Back to Kids
A U.S registered charity that supports underprivileged children.
Xe.com
They provide currency conversions in every currency in the world.Excellent site.