Paris' linguistic guide to the international language of, yes, love.

A museum of carnival attractions where you are invited to ride the rides.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Notorious artist squat renovated into legal studios.

If you can look past the nearby sewer pipes, this urban sinkhole grotto is a mini-paradise.

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

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.

This restored opera house is named after a soprano known for tragic romance, exile, and a truly uncomfortable wedding.

The conquistador's former fortress is the oldest preserved colonial building in the Americas.

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

Dating back to the second century, vestiges of prehispanic mural paintings are found in this underground palace.

A mysterious pillar in an ancient burial chamber is said to predict how long you have to live.

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

The stoutest tree in the world.

This beautifully deceptive waterfall is something far different from what it appears to be.

This mid-century mural portrays humankind's spiritual and scientific journey.

The F1 Mexican Grand Prix circuit goes right through the middle of this old baseball stadium.

A gigantic, symbolic artwork covers the side of the building.

Beneath the most controversial monument in Mexico City is a cultural center that exhibits only digital art.

In Coyoacán, a pair of coyotes crown a public fountain in reference to the ancient Aztec name of the borough.

This foreboding building was the headquarters of the terrifying Spanish Inquisition in Mexico.

These unusual paintings give thanks to the saints and deities who granted people favors and miracles.

This colossal ancient sculpture of the monstrous Aztec rain god has a literally stormy history.