Astronomical observatory above Lake Titicaca.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

Death road of Bolivia.

Mountain of unimaginable riches that bankrolled the Spanish Empire, complete with its own underworld god.

A sculpture of a giant hand reaches for the stars in the middle of the Atacama desert.

This devil-dancing ceremony now celebrates a miraculous image of the Virgin Mary that appeared to a modern-day Robin Hood in a mineshaft.

A giant, bloody battle rages throughout the Bolivian Andes each year.

This giant Christ took first place in South America's religious arms race.

Mysterious and ancient carved standing stones.

A toxic lake near a volcanic caldera that is home to flamingos and other life.

An Argentinian businessman facing terminal cancer built this whimsical medieval village using salvaged materials.

This giant power line tower is a robot that can express its moods in neon.

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

A neo-Gothic castle in the Argentinian countryside.

Guitar made of trees, dedicated to a man's lost love.

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

A beautiful young girl said to have been buried alive in her coffin…

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

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

Xul Solar was an artist of alternate worlds, inventor of languages, and dreamer of utopias.

A tower devoted to — and modeled after — the Divine Comedy.

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

A gateway to a mysterious network of underground tunnels.

An artist's statement of new uses for ordinary and discarded materials.