Photo: AlejandroLinaresGarcia, CC BY-SA 3.0 via Wikimedia Commons
This is the official cultural center from the Spanish Embassy and features temporary exhibits.
The Centro Cultural de España is located at 18 Guatemala Street in the historic center of Mexico City. In the late 1990s, this old mansion just behind the Cathedral was in ruins when the Mexico City government ceded it to the Spanish government. When restoration work was finished, the new Centro Cultural de España was inaugurated by the king of Spain with the president of Mexico in 2002.
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Caricature Museum
Depicting the history of Mexican cartoons (political and amusing cartoons).
Housed in the historic 16th-century Casa de las Ajaracas, it is a rare survivor on a street that has seen other historic structures knocked down to explore the Templo Mayor site. The museum is home to a huge collection of historical photographs from the 19th, 20th and 21st centuries, documenting the constantly changing cityscape of Mexico City.
Metropolitan Cathedral
The largest cathedral in the American continent. Designed by Claudio de Arcinieaga, construction started in 1537 and lasted for 250 years. Be sure to check out the side chapels where parishioners leave offerings for the various saints. For a bird's-eye view of the plaza, you can take a 40-minute tour (Spanish language only) of the upper levels and bell towers of the cathedral (M$12).
La Enseñanza Church
Tucked away on a side street, this very narrow gem of a church was built in the 1770s and is notable for being an outstanding example of Mexican Churrigueresque architecture. Even more remarkable than the façade, however, are the nine gilt retablos inside.
A side chapel next to the Cathedral completed in 1769. The façade is an excellent example of Mexican Churrigueresque architecture.
Features an open-air diorama of the old Tenochtitlán.