This strange sculpture of a menacing skull surrounded by sun rays was discovered at the foot of the Pyramid of the Sun.

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

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

An indigenous take on European design creates a stunning visual overload.

The burial place of some of Mexico's most prominent residents is full of macabre stories and hidden masonic symbols.

A hidden treasure of an abandoned city lies deep in the jungles of Campeche, Mexico.

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

A flooded Mexican cave that hides a river beneath the water.

The ruins of an ancient Mayan city, beautifully preserved and only accessible by boat.

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

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

A scientific repository of goiters, boils and other ailments throughout Mexican history.

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

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

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."

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

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

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

The largest cave shaft in the world is home to thousands of birds and popular with BASE jumpers.

The winter home of millions of migrating monarch butterflies.

A uniquely robust and historic look at Mexico's omnipresent dance with Death.

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

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