To read the creation myths of some specific cultures, see below:
Aboriginal (Indigenous Australian) -
Aztec
Babylonian (Ancient)
Chinese
Egyptian (Ancient)
Greek (Ancient)
Hopi -
Iroquois
Inca
Inuit
Islamic
Maori (Indigenous New Zealand)
Mayan
Navajo
Scandinavian (Norse)
Yoruba of West Africa
Some of the sites with lots of different stories are:
You can also read about creation myths on the Encyclopedia Mythica site.