Gilded heaven for philatelists and architecture freaks, still in full working order despite sitting atop tremulous ground.

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

Get a privileged view over Mexico City's Historic Center from a terrace right in its heart.

These spectacular, symbolic serpents lie within the shadow of the Great Temple.

A disquieting Aztec sculpture displays hundreds of stone skulls representing the victims of human sacrifice.

These subterranean models show Mexico City's central square during three different eras.

History is on display in this hall, which has served as the seat of city government for centuries.

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

Where layer cakes tower above one’s head and there is never a shortage of icing.

The ruins of an ancient temple to the Aztec wind god discovered in the middle of a metro station.

The ruins of the bathhouse used by the ill-fated last Aztec emperor still lie in Chapultepec Park.

The only castle in North America to ever house European sovereigns.

Some charming, but sadly, unloved animal statues call this park home.

Discarded animal sculptures stand forgotten by an abandoned aquarium and water park in Bosque de Chapultepec.

A huge musical instrument played by the ocean.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

A museum befitting the city responsible for supplying the majority of the world's LSD.

The first mural ever dedicated to the women of the Black Panther Party.

San Francisco’s century-old Christmas Tree.

These subterranean storage areas hold emergency water reserves.

A hardware store Buddha statue installed to deter vandalism wound up attracting Vietnamese immigrants who came to pray.

This (occupied) house is 10 feet wide and full of spite.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.