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.

A bright little alley in La Boca is a part of tango history.

Spanish religion mixed with local architecture has yielded a network of churches unlike any other.

A sliver of 19th-century Germany sits on the shore of a Chilean lake.

A 300-foot-long Cold War submarine floats in a Chilean River as a maritime museum.

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

This Japanese-inspired labyrinth of hot springs is hidden in a Chilean forest.

One of Chile's most active volcanoes is riddled with beautiful caves.

This bright yellow bridge is a true engineering feat.

A fantastical group of cliffside stairways, bridges, and twisting paths carved out of stone provide a surreal coastal hike.

What was once a unique system of urban elevators is turning into a mechanical ruin.

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

Pivotal home of Nobel Prize winner Pablo Neruda.

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

Built for the 1962 World Cup, this fully functioning botanical clock is still ticking.

A record-breaking pool that uses computers to turn ocean water into cleaner, private swimming water.

Locals visit this abandoned train tunnel where a man took his own life to ask favors of his spirit.

A beautiful deserted greenhouse in the middle of a park.

A museum founded to reflect on and remember the human rights abuses under Chilean dictator Augusto Pinochet.

Pablo Neruda's custom-built lover's nest was made to remind him of the sea and named after his mistress' hair.

It's just another skyscraper, but it's shaped like '90s cell phone.