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

A neo-Gothic castle in the Argentinian countryside.

A gateway to a mysterious network of underground tunnels.

The inspiration for the Patagonia Clothing logo, Cerro Fitz Roy turns pink at sunrise.

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

This stunning mass of ice spans 121 square miles and is still growing.

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

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

A rehabilitation center for some of South America's most unique and endangered animals.

The world's only pure blue lizard lives exclusively on this secluded tropical island.

The world's largest ecosystem of its kind is home to South America's only native species of bear.

Only gap in the 30,000-mile span of roads called the Pan-American Highway.

The centuries-old trees are draped with Spanish moss to make them look like wizened elders.

This tiny shop has been serving traditional tamales for more than 200 years.

An unusual and beautiful form of mass transit serves the city's steepest neighborhoods.

A three-tiered waterfall plummets from a mountain cave with amazing views over the countryside.

An ancient city hidden in the heart of the Sierra Nevada mountains.

The world's tallest palm trees look like the whimsical kind of plant you'd find in a Dr. Seuss story.

Colorful lights and mirror-like brine pools create trippy illusions within the historic mine.

Unparalleled stargazing, one of Colombia's best observatories, and a swimming pool can all be found in the middle of this ancient tropical forest.

The caldera of this mini-volcano has been turned into a naturally heated mud bath.

Enchanting cave with a river crashing through the roof.

The Andean town where every single building is decorated with a brightly colored frieze.

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