I really enjoyed the conference videos from the Academy for Temple Studies.
It's okay for the Mormons to talk about this stuff in public as long as Margaret Barker, a Methodist minister, digs it up and talks about it first. It has been a very interesting collaboration that they have had going on there.
If you want to study the LDS Temple Endowment and the LDS Temple in a public and open way that's not designed to make it all look stupid and childish, I can wholeheartedly recommend the Academy for Temple Studies and Margaret Barker's research and books. The parallels between Solomon's Temple and the modern LDS Temples can be quite striking at times.
I even created a blog that was brought on by some of their work: