By night, this auto repair shop turns into a taquería serving up some of the city's finest al pastor tacos.

A barbarous band of serpents guard the bases of these Aztec temples.

Beach instrument turned bed and breakfast.

The singular ruins of a mysterious lost city.

The enigmatic and seldom visited ruins of a Mayan city-state.

Inside this mountain lies several kilometers of breathtaking caves.

This church, buried halfway in lava rock, is all that remains of a Mexican village destroyed by a volcano.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

A dark tunnel leads to a striking white crater that seems to be from another planet.

Mexico City's largest market contains a Willy Wonka-esque wonderland.

Two waterfalls flow down the cliff faces decorated with rare natural basalt columns.

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

A 500-year-old series of tunnels long believed to be folkloric was uncovered beneath the streets of Puebla.

Mexico's astounding mummy museum with "the world's smallest mummy."

An ancient system of freshwater caves filled with animal bones, including that of species long-extinct.

The winter home of millions of migrating monarch butterflies.

An elaborate Mayan city shrouded in alien conspiracy revealed the tomb of Pacal the Great.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

An Aztec snake god has taken the material form of an apartment complex.

This tiny, tucked-away eatery reflects the history of Mexico's Lebanese immigrants.

This "City of Books" holds a museum, library, and the complete personal book collections of five of Mexico's greatest thinkers.

The unique collection of gifts includes braids of human hair, a spoon, and a Virgin made of bread.

Inside a busy metro station, an impressive mural depicts the prehispanic city of Tenochtitlán.

Twelve natural mummies are displayed in the crypt of this former monastery school.