Chapultepec Castle
Once the home of the Spanish Viceroys, a military college scene of historic battle during the Mexican-American War, and the palace of Emperor Maximilian and Empress Carlota. It is now a museum. You can walk up the winding hill road, or take the tram that departs every twenty minutes for a fee of 13 MXP. There are two parts to the museum: the historical building itself, and the Museum of National History. Don't miss the Roman-style gardens and observatory on the roof of the building. The castle also boasts a fine view of Mexico City and its surroundings.
Museum of Modern Art
Spanish: Museo Nacional de Arte Moderno, Paseo de la Reforma, hours Tu-Su 10:30AM-5:30PM price 35 pesos. It showcases temporary exhibitions of Mexican and international art.
National Anthropological Museum
An enormous complex with permanent exhibitions highlighting the development and cultures of Mexico's many indigenous peoples. Also, the museum itself is famous for its architecture. Delegate two hours at least and be sure not to miss the Aztec "calendar stone".
Lago de Chapultepec
There are actually two lakes that are connected, a bridge spanning them at mid-point. Lounge around the shore, or rent a canoe or paddleboat to explore.Monument to the Heroic Cadets
This impressive white marble monument stands at the entrance to Chapultepec Park in front of the Castillo. It honors six youths who gave their lives defending the stronghold from US troops in 1847.The park also includes a zoo, an amusement park, a botanical garden and landscape walks through the trees. Vendors line the paths of many areas where you an buy souvenirs, juices, tacos, ice cream, toys, and even lucha libre masks.