Could you check if there�s any grammatical error in this composition? 5 stars!?

Traveling around the world is said to be on of the most amazing experiences in our lives, but is it? In recent years there has been great chances to visit different countries and to meet new people, than if we're living in a smaller world. In the last century a great variety of ways to travel have been developed. On the other hand, traveling can make you enjoy the holidays and also increase your knowledge about different place of interest and choices. Moreover, it's a way of having new experiences with friends. Third it requires a lot of time. Even tough you are traveling by plane, car or train it could been seen as a waste of time. It also has a destructive impact on the environment, because it's one of the darkest faces of tourism. Furthermore, it tends to be expensive and some problems may appear during the time you spend away from home.