SPICES
World Spice Merchants
Based in Seattle, this place also has an array of spices and teas.
The Epicentre
At Epicentre, you get more in-depth learning about spices such as their history, uses, storage, and applications. Be sure to check out their spice advice page and sign up for their free spice ebook!
“The roots of education are bitter, but the fruit is sweet.”
HARD-TO-FIND ETHNIC INGREDIENTS
If you don't live close to an Asian market and wonder where to find ethnic ingredients such as fish sauce, fresh galangal, etc., you can order them through these online stores:
Amazon.com
It's Amazon. Of course, you'll find something. ;)
ImportFood.com
I haven't tried this place, but they carry a wide variety of products.