Here is the full list of all 15 Seven Wonders achievements.
build the first house
Build the pyramid of Giza
Build the Hanging gardens
Build the Temple of Artemis
Build the Lighthouse of Alexandria
Build the Statue of Zeus
Build the Mausoleum at Halicarnassus
Build the Colossus of Rhodes
reach population of 10
reach population of 70
unlock Fishing
have 100 blocks
have 100 Bronze bars
build a Potion house
build shooting tower