A study of ancient History can baffle, amaze, excite and enlighten us.
In relation to some of your chosen topics, investigate these sites as starting points.
Remember to be critical of websites. Try to decide whether or not they suit your purposes. Are they accurate or trustworthy? Do they help you to answer your key questions/essential questions/foundation questions/subsidiary questions?
WHy was the SPhinx built?
Did the ROman eMpire disappear? Was it destroyed? How, Why and by Whom?
What was life like in Ancient China?
Are you a young Picasso?
So why did Egyptians revere characters with jackal or falcon heads? - the weirdos...
The Caesar Cypher - there was more than one caesar,
but we tend to think of Julius when we use that title. He was famous for many reasons and he had many tricks up his sleeve.
Those Greeks had a thing or two to say about life. Which one of the famous Greek Philosophers do you think was the most influential?
Now a unified Republic, the area known as Italy has seen many political divisions, including the Kingdom of Naples and Sicily, the republics of Florence and Venice, the Duchy of Milan, and the Papal States.
Some people are fascinated by more recent history - the 80s were an interesting time in "fashion"... I know - I was there!
Perhaps the 50s and 60s might tickle your fancy a bit more - cultural changes were interesting and fashion changes were an outward expression of that...