The Hypogeum of Ħal Saflieni is a necropolis and sanctuary dating back more than 5,000 years.

Xrobb l-Għaġin is considered a destroyed site since very little remains and it's inaccessible. It had a typical four-apse-plus-niche layout.

Tarxien is made up of four temples and is the only site to have one with six apses. Giant pottery vessels were excavated from the complex.

Borġ l-Imramma is the scanty remains of a megalithic temple located on the Ta' Ċenċ plateau in Gozo. It's never been excavated.