The Arizona Memorial is incredible. There is a video presentation, about 20 minutes long, that is presented before you go out to the actual memorial. It is a great video, with actual footage from the day. Even Isaac watched the whole thing.
The bridge to Ford Island.
70+ years later and there is still oil and gas leaking from the sunken ship. The smell is actually very strong on one side.
The USS Missouri.
White marble wall engraved with the names of everyone who perished on the USS Arizona.