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

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

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

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

The winter home of millions of migrating monarch butterflies.

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

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

Meant to be one of the most extravagant hotels in the world, now an eerie, abandoned architectural gem in Mexico City.

A church dedicated to the Mexican skeleton saint.

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

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

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

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

Part bookstore, part café, and part forest.

Extraordinary sculpture garden created by an eccentric English poet.

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

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

A statue of the formerly enslaved person considered "the first liberator of the Americas" stands in the town named after him.

This often-overlooked ocean walkway was once considered an impossible fantasy.

A 131-year-old wunderkammer of Texas history.