I happened to stumble across an interesting Web service from a place called Netcraft the other day. Netcraft apparently offers Web survey services of various sorts, for example it can tell you the Web server running on any particular site. They produce a fascinating graph of the Growth of Internet Web Sites. More interesting for our purposes is that they offer searching service whereby you can type in a word which is part of an URL and it returns all Domains answering that answer the search.
This turns out to be a very convenient way of locating sites with VRML in their name. Some of the responses were:
Have fun exploring and for jollies go to Netcraft and do a little exploring yourself.