This is the best park I have ever visited. Chapultepec Park is soluble the size of Central Park in New York. It is also full of beautiful history dating back to the Aztecs. The trees give you a lot of shade, and it is very nice to walk on the trails. On one of the entrances, there are a lot of vendors, so there are a lot of souvenirs and food to choose from. So if you are riding on an Uber and want to go in through this entrance, just let the driver know you want to go in through the entrance where the vendors are. The park has a zoo, the only royal castle in the Americas, a nice lake, the bathes where the Aztec emperor Montezuma used to shower, and more. It will take you the whole day to check out, so make enough time on your schedule. If there is something you have to leave out because of your tight schedule, I would say to leave out the zoo since there are zoos everywhere. I would like to point out that the zoo is free of charge just in case you have enough time. The castle is a must. Not only was the Castle the home of Emperor Maximilian and Carlota, who ruled on behalf of France for a few years, but it was also the home of several Mexican presidents and the place where six young Mexican cadet boys died fighting against the U.S. during the Mexican American war.