A 300-foot-long Cold War submarine floats in a Chilean River as a maritime museum.

Are they the remains of a fallen hotel, or the final stronghold for escaped Nazis?

One of South America's most exclusive resorts has a storied history dating back to World War II.

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

This glacier interpretation center houses the world’s only bar made completely from glacial ice.

This beautiful fountain was sculpted by a female artist who was ahead of her time.

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

Museum housed in underground tunnels that date back to Buenos Aires's earliest settlements.

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

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

These bamboo and rope bridges cross the Nam Khan River for six months every year.

A boat ride through utter darkness, lit only by headlamps, reveals an emerald green pool locals believe is sacred.

This collection of reclaimed landmines acts as both an exhibition of their deadly history and as a shelter for children affected by them.

A former French military respite turned jungle tourism hotspot.

Believed to have once stored either human remains or rice wine, thousands of mysterious stone jars lie in ruin.

As one of the world's largest hydroelectric dams this plant took two countries to get built.

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

This Brazilian town built by Freemasons is full of colonial Masonic architecture and symbolic imagery.

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

Eduardo Kobra’s breathtaking 32,300-square-foot graffiti wall took over Rio’s Olympic Boulevard.

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

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

A giant Australian fruit and tropical farm.

Legend says entire herds of cattle have disappeared within this boulder-strewn landscape.