I used to have a Japanese site bookmarked which had pictures of various places in
Japan that were used in the creation of "Tenchi Muyo! Ryo-ohki" including actual places
that were the basis of character names.  So, does anyone have any idea if this
site (or one in English) still exists? 

Tenchi Muyo! FAQ
http://www.astronerdboy.com/tenchi
"...taking your attacks is as easy as farting." -- Genkai-san, "Yu Yu Hakusho"