This iconic hilltop church doubled as a lighthouse in the 19th century, guiding ships into the port of Valparaíso.

This historic Chilean cemetery is the burial place of hundreds of European and American freethinkers and non-Catholics.

A 63-foot-tall swinging ball hypnotizes passersby, and proves to any remaining doubters that the Earth is spinning.

This was once the center of the Birdman cult, and is now a World Heritage Site.

A volcanic crater that visitors can look inside.

This large round boulder is said to emit spiritual power, but it may just be magnets.

In the Middle Ages, villagers would sound this stone trumpet to boost fertility and coax fish to shore.

The largest stone moai on Rapa Nui.

The ominously named cave is home to some remarkable ancient art.

The world's most remote airport.

Visit this odd display of indigenous style in Argentine wine country.

The fighters and conspirators that won independence for Paraguay held secret meetings at this historic house.

A beautiful museum filled with thousands of chairs.

An underexplored, 130-foot tropical waterfall that you will have all to yourself.

As one of the world's largest hydroelectric dams this plant took two countries to get built.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

One family's mission to exemplify sustainability took on a whole new life as a surprisingly beautiful home.

A small but industrious mining operation that allows visitors to touch precious gems while they are still in the rock.

These spectacular ruins were built by Spanish padres in the 17th century.

Of the many Jesuit missions in South America, this complex is one of the best preserved.

Museum housed in underground tunnels that date back to Buenos Aires's earliest settlements.

A gateway to a mysterious network of underground tunnels.

A memorial to the victims of Argentina's "Dirty War."

The Estatua de la Libertad stands discretely on an obscure tangent path in Barrancas de Belgrano.