It isn't a PHOTOGRAPH, but a phonograph (a record player) that is missing from 1877 AD. Go to 328 BC and climb the first building, and the phonograph is on the roof.
The Aztec Empire is where you get the sun stone piece on Time Tangled Island. It is 1519 AD the picture is a man with headdress.
you dont
@ the great wall...
inside a temple
The oracle is in the building on the hill on Time Tangled Island.
you find your self in the future(seconed time)
There are no horses, winged or otherwise, on Time Tangled Island.
The pumpkin head is in Time Tangled Island and you have to find it.
on time tangled island [vikings]
I don't think there is one.
In the Aztec period, you get them from the warrior.
The cave is located in 0831 AD.