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.

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

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

Diego Rivera's massive tiled fountain and failed infrastructure project.

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

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

Part bookstore, part café, and part forest.

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

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

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