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

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

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

Underwater art project will double as a massive artificial coral reef to help regenerate the damaged ecosystem.

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

A church dedicated to the Mexican skeleton saint.

66,000 pieces of art, donated by one of the world's richest men.

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

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

Part bookstore, part café, and part forest.

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

A gargantuan crystal kingdom.

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

Extraordinary sculpture garden created by an eccentric English poet.

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

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

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

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

Legend says this tiny ancient island is the lost ancestral homeland of the Aztecs.

From Nunavut to Tierra del Fuego, you won't find any lighthouse higher than this one.

A historic cemetery doubles as a museum containing hundreds of unique tombs sculpted by a single artist.

An all-female order shares an ancient culinary art with visitors at their mountaintop monastery.

Made from local Irish moss, this pie is served only in Prince Edward Island's potato museum.