A museum dedicated to the German scientist who revealed the significance of the mysterious Peruvian Nazca Lines.

This space-age looking obelisk rises over a city in the rainforest, meant to resemble the local castaña tree.

A highland eco-park celebrates more than a thousand varieties of tuber.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

A market for witches is hidden within a train station.

Colombia's biggest botanical garden contains plants from all across the country.

A little known Colombian theme park of giant curiosities.

A cozy bookstore and coffee shop in the heart of Cartagena's Old City.

You can release a young butterfly at this beautiful indoor garden.

If you can look past the nearby sewer pipes, this urban sinkhole grotto is a mini-paradise.

Explore the atmospheric ruins of an abandoned convent in the dense forests of Mexico's first national park.

The enigmatic skull gazes out over the ruins of a once-great Mayan city.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

The pedestrian traffic signals in Brazil's teeming metropolis light up with clues to nearby landmarks.

An art museum with an eclectic design and a scandalous past.

This plaza at the end of the world teems with monumental tributes to a problematic history, and laser discs.

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

Legends, sculptures, and unique tombs can be seen lurking in these connected cemeteries.

This active fish farm has opened and expanded its lands to become a multi-faceted tourist attraction.

An incredible little museum of interior design full of artifacts collected from around the world.

Legend says the building's unusual features were added at the request of a paranoid president.

The spectacular subterranean collection includes dazzling minerals, including a piece of "kryptonite."

This dreamlike museum is filled with the works of an influential surrealist artist whose name you may have never heard.

The now-public home of a renowned art collector is full of unique pieces from viceregal and 19th-century Mexico.