A focal point of the Cuban government, this city square features one of the most iconic images in the country.

In terms of history and architecture, this is one of the most remarkable cemeteries in the world.

Neo-cave art on the macro scale.

Every equinox this Maya pyramid puts on a spooky ancient light show.

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

These azure waters were thought to lead to the Mayan Underworld.

At least seven hues of blue and turquoise make this freshwater lagoon unique.

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

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

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

A massive yet whimsical statue pays homage to the art and joy of "flight."

High atop a Mexican rainforest mountain, this ancient pyramid once drew pilgrims countries away.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

Superstitious? Discover the witchy side of Mexico through its largest esoteric market.

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

A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.

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

Part bookstore, part café, and part forest.

Stained glass windows bathe this botanical garden in cosmic light.

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

This ceremonial Mexican square looks as though it belongs in a science fiction movie.

The winter home of millions of migrating monarch butterflies.

Climb through the life of a Mexican hero as you ascend a 130-foot statue.

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