This tiny river island switches sovereignty every six months as part of a rare, centuries-old agreement.

A cemetery in Barcelona's Poblenou district is home to this touching funerary statue, which depicts death in the form of a winged skeleton.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Barça football fans might see the insignia hidden in a church window as a divine sign.

This former Baroque palace on the historic Calle Montcada is a rare architectural gem and was once the meeting place of an aristocratic scholarly society.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

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

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

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

A mysterious architectural gem in one of the most elegant areas of Buenos Aires.

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

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

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

Bible stories are brought to life with gloriously cartoonish kitsch in this South American theme park.

The largest library in Latin America owes its existence to an Old World earthquake and a Napoleonic invasion.

A 125-meter long "tribute to the Brazilian people."

This massive Brazilian church is built like an angular, technicolor pyramid left by Mayans from the future.

This stunning Brazilian library contains the largest collection of Portuguese texts outside of Portugal itself.

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

Beautiful public park off the beaten path and away from tourists.

A stunning Catholic cathedral built by a curve-loving communist in Brazil’s newly created capital.

This massive waterfront market is located at the "gateway to the Amazon."