The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Cars mysteriously roll uphill on this street.

One of São Paulo's tight urban intersections has become a haven for graffiti artists ever since a single Batman started the trend.

The haunting peak of an old church is all that remains of a drowned Brazilian city.

This massive Brazilian church is built like an angular, technicolor pyramid left by Mayans from the future.

The largest open-air contemporary art center in South America is a unique experience in the Atlantic Forest.

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

Site full of incredible prehistoric paintings and archeological findings.

After millennia of erosion by sand and churning water this Brazilian valley now looks like a lunar fantasy.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

Constructed on the ruins of a convent, this tower saved countless lives.

An epic sculpture depicting a wagon and straining oxen.

This beautiful example of neoclassical architecture is one of Uruguay's most treasured cultural gems.

Abandoned bull fighting ring, slowly falling apart in Uruguay.

The design of the Palacio Salvo has been described as "a lighthouse on top of a building."

These small sculptures pay homage to the lovable star of an iconic Argentine comic strip.

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…