This medieval village clings to a cliff in southwestern France.

Many people don't realize there’s a lot going on in—and below—the world’s tallest triumphal arch.

This tiny garden was built specifically to provide a place of peace and serenity away from the busy city streets.

The ruins of the bathhouse used by the ill-fated last Aztec emperor still lie in Chapultepec Park.

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

The “City of Stairs” sits high in the Andes, above the world’s largest underground copper mine.

How a lunch counter in Chile became a shrine to the 42nd president of the United States

The site of detentions and torture under the Pinochet regime in Chile is now a memorial.

What was once rural farmland owned by the Dominican Order is now an artisanal crafts market enveloped by Santiago’s urban sprawl.

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

These haunting ruins of a 700-year-old Prehispanic city have witnessed centuries of wars and massacres.

These subterranean models show Mexico City's central square during three different eras.

A disquieting Aztec sculpture displays hundreds of stone skulls representing the victims of human sacrifice.

These spectacular, symbolic serpents lie within the shadow of the Great Temple.

This museum houses two of Mexico's most impressive Aztec monoliths.

Once home to an aristocratic family and a workers' organization, this intricately tiled building now houses a chain restaurant.

One of the oldest Christian churches still standing in the Americas, and almost certainly Mexico's oldest in continuous use.

Inside the cloister of the Temple of San Juan Bautista is a ceiling decorated with gold Baroque illustrations.

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

At this beautifully preserved Pre-Hispanic site, you can see ancient petroglyphs with depictions of llamas and alpacas.

A massive display of meteorites all found in the Atacama Desert.

Historic medieval fortified city in southwest France.

France's high-tech, future-themed amusement park.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.