THE GUARDIAN has noticed that some archaeologists are skeptical that the finds at Herodium include Herod's tomb:
Doubts grow in Israel over the true whereabouts of 'Herod's tomb.' Mausoleum unearthed near Jerusalem in 2007 not grand enough for megalomaniacal biblical king, claim some experts . Although the article refers (correctly) to "experts," it only interviews one, Joseph Patrich. For more information, see
this post on an
Haaretz article in October of 2013.