With its vast selection of books, comics, and records, this nearly 70-year-old open-air market always rewards the patient browser.

You have to know where to look in this rather ordinary-looking square to find hints of its past as a dissidents' cemetery.

A bright little alley in La Boca is a part of tango history.

A tower devoted to — and modeled after — the Divine Comedy.

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

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

This historic, palatial theater is now one of the world’s most beautiful bookstores.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

Constructed on the ruins of a convent, this tower saved countless lives.

Abandoned bull fighting ring, slowly falling apart in Uruguay.

This historic fort overlooks Montevideo and appears on Uruguay’s coat of arms.

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

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

The remains of Uruguayan hero José Artigas lie beneath a monument in Montevideo’s main square.

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

Where sweethearts leave their love locks in the Uruguayan capital.

A replica of a famous Greek statue adorns the front of the unusual home of architect and alchemist Humberto Pittamiglio.

An epic sculpture depicting a wagon and straining oxen.

This historic stadium was built to host the first-ever FIFA World Cup.

The massive gardens and office of a Brazilian sculptor.

A Tudor-style castle in Brazil holds one of the world's largest armory collections.

This public elevator links the lower city to the upper city of Salvador.

This 17th-century Portuguese fort now houses a nautical museum.