This stone monument marks the beginning of Portugal's presence in Brazil.

Eduardo Kobra’s breathtaking 32,300-square-foot graffiti wall took over Rio’s Olympic Boulevard.

What killed this humpback whale is a mystery, but its remains have become legendary.

The ruins of this Brazilian island prison still bear the scars of the bloody rebellion that closed it down.

Something about this Brazilian city is slightly askew... literally.

The building that once housed the dictator's secret police is now a museum that documents the history of an oppressive regime and those who fought against it.

Half curiosity cabinet, half late night hotspot, this Brazilian bar is helping turn a dangerous neighborhood around.

Ella Fitzgerald, opera singer Enrico Caruso, and dancer Isadora Duncan all performed in this lavish, supposedly haunted theater.

This skyscraper once housed weapons during the revolution and was the scene of two brutal crimes that shocked São Paulo society.

A beautiful midcentury mural by the famed Brazilian modernist artist Emiliano Di Cavalcanti.

An enigmatic mural hiding in plain sight in one of São Paulo's busiest metro stations.

One of São Paulo's tight urban intersections has become a haven for graffiti artists ever since a single Batman started the trend.

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

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

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

A pocket of Buenos Aires with an unusually high concentration of psychotherapists.

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

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

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