1. The Mexico City Metropolitan Cathedral is the largest and oldest cathedral in Latin America. It took nearly 250 years to build and was completed in 1813. The cathedral’s architecture is a mix of various styles, like Baroque, Gothic, and neoclassical. It has 16 chapels, five naves, and features impressive artwork like marble altars, murals, and sculptures. The cathedral holds some of Mexico’s most treasured religious artifacts including the \"Cruz de los Milagros\" which, according to the legend, stopped the Aztec ruler’s sacrifice in the 16th century.

2. The cathedral is open to the public every day from 8 am to 8 pm daily. The phone number is +52 55 5510 0440.

3. Admission to the cathedral is free. To get there, you can take the metro to Zocalo station, which is right outside the cathedral. Buses and taxis also serve the area.