Architectural Oddities in Mexico City

A small building that loosely resembles a tooth is appropriately used as a dentist office.

Legend says the building's unusual features were added at the request of a paranoid president.

This piece of a Renaissance-era Spanish castle remained lost for decades.

The underground mall's skylights look like they could be part of a spaceship.

Once home to an aristocratic family and a workers' organization, this intricately tiled building now houses a chain restaurant.

On a cornerstone of the City Museum is the head of a monstrous serpent stolen from an Aztec pyramid 400 years ago.

Mexico City's residents are being watched by this state surveillance headquarters, designed by architects with a flair for intimidation.

A church dedicated to the Mexican skeleton saint.

66,000 pieces of art, donated by one of the world's richest men.

Diego Rivera's massive tiled fountain and failed infrastructure project.