The former headquarters of Mexico's Secretariat of Public Education now houses a muralism museum, including Diego Rivera's first large-scale mural project.

A Mexican Romeo-and-Juliet-esque legend has given this super-narrow alleyway a reputation for romance.

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

This incredible college library is a visual masterpiece of mosaic art. It also looks kind of like a giant boombox.

A Lovecraftian altar of nightmarish bronze chairs sits ominously on a boardwalk in Puerto Vallarta.

The splendor of this 17th century golden chapel has led it to be called the "eighth wonder of the world."

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

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

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

After the Cuban Revolution, the famous rum company had to leave their swanky headquarters behind.

Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

Where sweethearts leave their love locks in the Uruguayan capital.

This beautiful example of neoclassical architecture is one of Uruguay's most treasured cultural gems.

The design of the Palacio Salvo has been described as "a lighthouse on top of a building."

The oldest café in Montevideo preserves its history as the city's bohemian hub.

Norway's oldest cathedral still in use.

This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.

This giant Christ statue was a failed attempt by Indonesia to dissuade East Timor from demanding independence.

The humble tomb of an Argentine general, hand-built by his son using stones brought down from the Andes.

These small sculptures pay homage to the lovable star of an iconic Argentine comic strip.

The narrowest house in Buenos Aires is less than 10 feet wide.

This beautiful fountain was sculpted by a female artist who was ahead of her time.

A brightly colored natural bridge formed by mineral-rich hot springs high up in the Andes.