Iconic red and white plaques show the creative names invented to navigate the city streets.

A 16th-century monastery boasts a lush array of plants native to Mexico’s most biodiverse region.

This strange sculpture of a menacing skull surrounded by sun rays was discovered at the foot of the Pyramid of the Sun.

The ruins of an ancient temple to the Aztec wind god discovered in the middle of a metro station.

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

The stoutest tree in the world.

The ruins of an ancient city built by Mayan traders is centered around a temple of a sacred feathered serpent deity.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

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

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

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

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

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

The designated Jewish quarter in Fez dates back to the 15th century.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

The oldest known university in the world is in Fez, Morocco.

Traditional 11th-century outdoor tannery.

Vast stretch of tide-pools with a unique Moroccan charm.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

A fortified city, home to a remaining population of five families

The other side is actually green.

World's largest film studio, where visitors tour the decaying sets that litter the harsh desert environment.

Mosaics, storks, and brothels—this ancient city has it all.