Burial (17)
http://www.worldheritagesite.org/categories/category50.htmlPecs
Etruscan necropolises
Korean dolmen sites
Gonbad-e Qabus
Humayun's tomb
Imperial tombs of Ming and Qing
Koguryo tombs (North Korea)
Yasawi Mausoleum
First Qing Mausoleum (terracotta warriors)
Memphis (pyramids)
Joseon tombs
Sammallahdenmäki
Skogskyrkogarden
Taj Mahal
Confucius
Askia
Buganda
I would add: Sveshtari, Bru na Boinne, Jelling, Koguryo (China), Nemrut Dag, Syracuse, Meroe, Gebel Barkal, Thebes, Aigai (Vergina), Birka/Hovgarden, El Escorial, Kaesong, Hal Saflieni, Tierradentro, Makli, Kazanlak, Xanthos/Letoon, Pasargadae, Bahai sites.