There are lots of things to see here, and I already saw the Statue of Liberty and the American Museum of Natural History.
Sửa: seen (vì already được chia ở thì Hiện tại hoàn thành)
Look at the sentences below. Then try to correct the mistake.
There are lots ( bỏ) of things to see here, and I have already saw => seen the Statue of Liberty and the American Museum of Natural History.