Translation of deliberately in Spanish

This site was one of the country's most famous places as Tomb Rider with Angelina Jolie was filmed there. It was built like a pyramid with many stairs and little towers. The place was called Angkor Thom.
I understand that you use the article 'die' when talking about a feminine object, das when the subject is neutral, and der when talking about a masculine object. But how can you remember all these?
We a lot of luck we had made the entire journey in one day, leaving around 1500km behind us. The town turned out to be great. A lot of young people, many bars and restaurant and a great atmosphere.