An Inca spa, military outpost or maybe… both?

A Christian monastery stands on what was once a holy Incan temple.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

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

These spectacular ruins were built by Spanish padres in the 17th century.

A bright little alley in La Boca is a part of tango history.

The final resting place of the liberator of Argentina is guarded around the clock by two soldiers.

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

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

The humble tomb of an Argentine general, hand-built by his son using stones brought down from the Andes.

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

Bible stories are brought to life with gloriously cartoonish kitsch in this South American theme park.

One of the oldest colonial buildings still standing in South America.

An intriguing antique iron Ferris wheel that most locals are sure was designed by Gustave Eiffel.

This stunning Brazilian library contains the largest collection of Portuguese texts outside of Portugal itself.

A 125-meter long "tribute to the Brazilian people."

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

This old-world mansion with lush gardens is a gem in the heart of Silicon Valley.

A classically inspired temple in Redwood City.