As expected with the nation powers of the Maya, they are capable of withstanding siege due to their increased building defenses and faster and cheaper construction. Due to this, they can be considered to be a counterpart of the Turks.
This nation often serves as a defense nation or an excellent distraction for other allied players.
Conquering may be slightly more difficult to achieve but, on the other hand, guarding these newly obtained cities should be easier.
Try to get the Taj Mahal, as this will make your structures extremely tough to destroy.