The Theosophical Society is my favorite spiritual organisation. It doesn't claim to be anything more than a collection of seekers after truth - but what a collection of seekers it is :)
I've met atheists, philosophers, artists and many pretty wise people. Being part of a community like that is just inspiring.
Here's more on the Objects of the Theosophical SOciety - and what it stands for in general
And more about what the founders of the TS felt is should be about.
