Until there is more detailed content here, you can use the following web links to fill in some of the basics.
A few months ago I visited a Mandir (a Hindu temple) in North London with some students. Here is the link.
BBC Worldservice Guide to Hinduism
If those still don't scratch the itch, the Wikipedia Hinduism Encyclopaedia is quite good, although some of it is written for people who have extra large brains (larger than mine - which isn't actually that big anyway).