In no order...
The marvelous mushroom that is...Chun Quoit.
http://www.themodernantiquarian.com/site/233/chun_quoit_and_boswens_menhir.html
The finest kist on the moor..and still No 1 for biggest surprise, Buttern Hill
http://www.themodernantiquarian.com/site/10341/buttern_hill.html
Small but perfect...Trewortha Cairn
http://www.themodernantiquarian.com/site/11123/trewortha_cairn_and_cist.html
Mr H