观后感，就是看了一部影片或连续剧后，把具体感受和得到的启示写成的文章。所谓“感”，可以是从作品中领悟出来的道理或精湛的思想，可以是受作品中的内容启发而引起的思考与联想，可以是因观看而激发的决心和理想，也可以是因观看而引起的对社会上某些丑恶现象的抨击。观后感的表达方式灵活多样，基本属于议论范畴，但写法不同于一般议论文，因为它必须是在观看后的基础上发感想。简单来说就是观赏过后的感触。

National Treasure is a really good movie. I have nothing but positive things to say about it. What's good is the acting, plot, screenplay, action, weaving in comedy, music, and family entertainment. This is one of those Disney movies where you think that Disney did not distribute this.
Ben Gates is on a quest. He wants to find fabled treasure that most people think is fake. His associate just tried to kill him and another associate, Riley. Now, the associate, Ian wants to steal the Declaration of Independence to find the treasure. Ben ends up stealing it so it does not fall in the hands of Ian. Now he and Riley are joined up with a beautiful curator and Gate's father and they have the FBI and Ian coming after them.
The acting is very good. Nicholas Cage has been a decent actor throughout his career. Jon Voight did a good job. I also was impressed with Diane Kruger and Justin Bartha.
This movie is great for history buffs. The movie takes place in cities of history such as Philadelphia, NYC, and the nation's capital.
I liked the music here. It is pleasant enough to listen to. The score was composed by Trevor Rabin.
Overall, this is a great movie.