This archeological site hidden behind Teotihuacán's pyramids shelters 1600-year-old murals.

These haunting ruins of a 700-year-old Prehispanic city have witnessed centuries of wars and massacres.

The splendor of this 17th century golden chapel has led it to be called the "eighth wonder of the world."

This beautiful and unmissable little museum is full of fascinating artifacts from Mesoamerica's great civilizations.

The first public library in the Americas has more than 45,000 books dating back to the 15th century.

The scene of a legendary hunt is displayed on this building's facade.

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

This beautifully deceptive waterfall is something far different from what it appears to be.

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

The stoutest tree in the world.

Standing atop 2nd-century Roman ruins, this church is one of the oldest and most iconic in Old Cairo.

An ancient instrument used to measure the waters of the Nile so Egyptian farmers would know whether to expect famine or flood.

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.

CDMX's home for the world's culinary delights.

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

This clock was gifted to Mexico as a show of gratitude for its long history of welcoming Arab migrants.

This museum houses two of Mexico's most impressive Aztec monoliths.

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

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

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

This series of waterfalls tumble into a radiantly blue river.

The masses at this church incorporate enough moonshine and animal sacrifice that they are no longer recognizably Catholic.

The displays in this off-the-beaten-path museum highlight the holistic, indigenous methods of healing.