Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

A monument to the conquistador became increasingly controversial in the very city that he founded.

This stone complex marks the urban center of a lost civilization.

This bullring in Lima is the oldest in the Americas and the second-oldest in the world.

Former drug lord’s manor, now a theme park. Watch out for the hippos.

A 10 million-ton rock once worshiped by the Tahamies Indians, accessed by an astounding staircase.

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

This picturesque mansion has gone from opulent ruin to nature museum.

A little known Colombian theme park of giant curiosities.

One person's lost luggage is another person's treasure.

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

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

Lima’s Museum of Anthropology is lined with thousands of elongated human craniums.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Bolivia's needle-like rock formations.

A museum of memories in what was once one of the most violent cities in the world.

Outdoor escalators and art have helped change what was once a notoriously dangerous part of Medellín.

This city park wants you to take your shoes off.

Three hundred illuminated pillars form an “artificial forest” in Medellín.

A Christian monastery stands on what was once a holy Incan temple.

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

A fascinating little museum all about the rich history of Peru’s famous plant.

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