Mexico's national cathedral – the vaulting, austere, ornate church on the Zócalo's north end – was once the site of an ancient Aztec precinct, so it has housed the city's spiritual core for ...

Built in the 16th century by the Spanish on the ruins of Tenochtitlan, the old Aztec capital, Mexico City is now one of the world's largest and most densely populated cities. It has five Aztec temples ...

Last month, a dozen dogs attended mass at a Mexico City cathedral for the annual blessing of animals, a Catholic tradition. On this day, Mexican Catholic congregations and priests welcome pups ...