These sacred Mesoamerican ruins feature peculiar petroglyphs hidden in the stones.

A mysterious pillar in an ancient burial chamber is said to predict how long you have to live.

Inside the cloister of the Temple of San Juan Bautista is a ceiling decorated with gold Baroque illustrations.

In Coyoacán, a pair of coyotes crown a public fountain in reference to the ancient Aztec name of the borough.

Frida Kahlo's childhood home, now a museum of her life and works.

A museum in the former home of Marxist revolutionary Leon Trotsky.

A bronze statue of the famed Prussian naturalist commemorates the year he spent in Mexico.

A grand entrance to one of the world's smallest Chinatowns.

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.