They're certainly rare, but a few archeological sites have had minor traps. Amenhotep III's tomb had a hidden spike pit near the hidden main chamber. Baphuon

They're certainly rare, but a few archeological sites have had minor traps. Amenhotep III's tomb had a hidden spike pit near the hidden main chamber. Baphuon had a sand trap to flood the area. I believe one of the Mayan temples had an intentionally poisoned sarcophagis.