https://www.livescience.com/43051-step-pyramid-uncovered-in-egypt.html
4,600-Year-Old Step Pyramid Excavated in Egypt | Live Science
Feb 3, 2014 - Archaeologists have uncovered a 4,600-year-old step pyramid in Egypt that predates the Great Pyramid at Giza by at least a few decades.
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https://www.crystalinks.com/yonaguni_ruins.html
Yonaguni Underwater Step Pyramid or Monument - Crystalinks
step pyramidyonaguniunderwatermonumentcrystalinks
https://www.crystalinks.com/steppyr.html
Step Pyramid at Saqqara - Mastaba - Crystalinks
step pyramidsaqqaramastabacrystalinks