The ruins of a pre-Columbian fortress city so secure it held off the Spanish conquistadors for over 20 years.

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

A wooden dock art installation on Chiloé Island taps into the island's indigenous mythology.

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

Named for the DeFoe novel inspired by a stranded sailor, this island is known for its rare plants and extreme beauty.

The largest geyser field in the southern hemisphere is a spectacular sight.

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

One of the largest ancient geoglyphs in the world is a tall desert god used for predicting the weather.

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

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

Mother Nature outdoes herself with this stunningly beautiful set of caves carved into marble.

The largest stone moai on Rapa Nui.

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

An Amazonian hotel is the ultimate treehouse and provides stilt based accommodation.

The mystery of Brazil's "Land of Twins" has led to wild theories such as Nazi genetic experiments.

Once a year, ambitious surfers can ride the world's largest river.

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

A Tudor-style castle in Brazil holds one of the world's largest armory collections.

In the Manduri reserve of Sao Paulo, you can see the endangered black-horned capuchin monkey up close.

Known as the "Finger of God," a dramatic rock formation resembles a divine hand extending towards the heavens.

Deep below the dry landscape of Bahia, a cave with intense blue water to float in.

What killed this humpback whale is a mystery, but its remains have become legendary.

This breathtaking national park is one of the best places to see the weird and wonderful giant anteater in the wild.

This gravesite in the Amazon Rainforest was left behind by a failed Third Reich expedition.