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

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

This fantastical house shaped like a seashell brings aquatic design to architecture.

Visiting this cacophonous collection of vintage novelties is like stepping into the mind of a crazed toymaker.

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

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

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

The famous artist couple lived and worked here, in two different houses connected by a bridge.

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

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

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

A gargantuan crystal kingdom.

Frida Kahlo's childhood home, now a museum of her life and works.

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.