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

One of the world's last well-maintained airship hangars.

This Brazilian palace island was once the site of the last grand ball before revolution.

Try not to get lost in this picturesque Brazilian labyrinth of the dead.

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

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

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

Crumbling remnant of Rio's colonial past tucked behind Corcovado mountain in the neighborhood of Cosme Velho.

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

This unusual piece of Renaissance art depicting the bodily horror of crucifixion and skin disease may have been inspired by fungus-induced hallucinations.

Home of one of history's most famous cartoonists just as he left it.

The final resting place to 300 Victorian-era pets hides inside the city park.

An eccentric 18th century naval officer built a ship's quarterdeck on his roof, the inspiration for Mary Poppins's "Admiral Boom."

You'd never know the houses at 23-24 Leinster Gardens were fakes—until you see the train tracks on the other side.