This is something you are supposed to do for yourself. Do you lack the capacity to figure out the value of religion without having someone spell it out for you? You certainly are audacious to expect a stranger to care enough about you and your intellectual development to waste their time teaching you things that you are supposed to do by yourself. So, I'll be brief. Now, observe this caveat: I am not a religious person. I do have respect for religion, when it is practiced properly, and is not proselytized.
One of religion's values lies in the fact that it soothes existential trauma. Religion offers one a way to accept one's impermanence, relieve one's bereavement and embrace one's mortality. Religions relieve impermanence by offering a community that is connected at what is supposed to be the most profound level to the believer, such that the culture one is immersed in extends well beyond one's bloodline, nation and accomplishments. This requires the believer to identify with the religion in such a way that she is the religion. When she is the religion, her identity remains while her most profound worries are answered by the religion. She appraises her faith as being above all in her life, and as a result, she becomes content. By being content, she will not be destroyed by bereavement. She is able to do this, because she places greater value in something that is (to her) permanent, rather than in the impermanent world, where everything changes and dies.
Another one of the benefits of religion, is that it teaches the true believer compassion, generosity, humility, and equality. All monotheistic religions (except for Catholicism (Pope), and Judaism ("Chosen People/Race")) claim that all men are equal before God. Therefore, there is no man that is greater than another, because we are all overwhelmed in the face of God. In these religions, this God is testing us, to see if we are still beasts, or if we can be ethical men. Therefore, living a life that most adheres to an ethical system that is centered around humility, compassion, generosity, and equality is the best life, in the eyes of most monotheistic religions. Religions have greatly influenced the development of civilization. When religion is used to excuse inhumane actions, it is being manipulated by powers that reside outside of the core of the religion. Religion's greatest impact is not found in the Crusades, Spanish Inquisition, Manifest Destiny, Zionism, or any other cause that is covered in blood, it is found in the U.S. Constitution, the Magna Carta, Indian Peace Movement, all Civil Rights Movements, and so on. Religions greatly influenced the ethics that are laid out in all of the said documents and movements. But, this does not mean that an Atheist cannot be ethical. It only means that religions have both negatively and positively effected the world. Indeed, there are quite a few causes rooted in Atheistic Communism, that have led to suffering. However, there are also many Atheistic movements that are ethical in nature.
I could go into much further detail, but I think I have gone further than I have to, for such a disrespectfully worded question.