These small, spectacular monkeys are making a comeback after deforestation destroyed much of their rainforest habitat.

Known as the "Finger of God," a dramatic rock formation resembles a divine hand extending towards the heavens.

An overlooked collection of over 350,000 artistic works created by psychiatric patients using art therapy.

Plagued by riots, celebrity injuries and a tragic death, this amusement park has been demolished.

Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

An art museum with an eclectic design and a scandalous past.

This Brazilian astronomy museum allows guests to gaze at the stars through their telescopes each weekend.

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

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

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

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

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

This sculpture garden creates a whimsical aura in an urban and wild environment.

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

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

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

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