Then start by checking out these websites:
Home Education Australia
Education Otherwise (UK)
And the best of the rest:
Mixed subject resources and blogs
English
Maths
Science
Art
Deep Space Sparkle
Art Projects For Kids
Pink And Green Mama
Fun Art For kids
Teach Kids Art
Canon Papercraft
Paper Toys
Blick
Home School Arts
[Zen] Tangle Patterns
Kids Artworks By Artsy_T
That Artist Woman
Geography/Geology
My Neighbourhood
Geoblox
Geocaching
HRW World Atlas
Historic Maps
Scribble Maps
World Atlas
World Mapper
History
World History For Us All