The tower was originally used as a chimney for the waste incinerator of St. John's Precinct and Market.

Did Inca children also slide down these smooth rocky slopes above Cusco?

Mystic Incan rock piles three miles above sea level.

This set of mysterious petroglyphs in the Peruvian jungle could shed light on centuries-old activities in the region.

The sophisticated hydraulic system of the Nazca civilization.

Visiting dignitaries and Hollywood stars once stayed at this 1920s hotel, alongside ghosts that are said to haunt its corridors.

A mysterious pre-Incan ruin believed to have miraculous healing powers.

White llama terraces dazzle in Peru's "other Machu Picchu."

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

This anthropological museum offers a glimpse into the lives of the Indigenous peoples of the Amazon River Basin.

A former prison complex now displays a historic collection of inmate artwork.

A labyrinthine museum chronicling the history of African culture in Brazil.

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

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

This spacecraft-shaped water tower is only a part of the mysterious UFO mania in this Brazilian town.

One of the few places in the world where visitors can walk alongside fossilized tracks from 80 different dinosaur species.

The haunting peak of an old church is all that remains of a drowned Brazilian city.

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

A faux desert landscape in the middle of the jungle that sprouts oases during the rainy season.