If you only had one day to spend in Mexico City then a great place to spend it would be in the Zocalo, or main plaza. The Zocalo is at the heart of Mexico City. It would be easy to spend an entire day with just the sights on offer here, but I would allow at least a half day at the minimum.
The three main sights to take in here are the National Palace, Metropolitan Cathedral and the Aztec ruins of Templo Mayor. Depending on your pace and inclination each of these sites can be visited in one half hour to 2.5 hours for the detail-oriented visit. I personally spent a half-hour at the Cathedral, one hour at the Palace and about 2 hours at the Aztec ruins. Continue reading