At least seven hues of blue and turquoise make this freshwater lagoon unique.

Known as the wettest place on earth.

Centuries-old bridges grown from tangled roots.

The colonial city's social history is reflected in its fanciful door knockers.

This elegant Colombian fortress was one of the torture headquarters for the Spanish Inquisition.

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

This colonial town in Colombia sits around the largest stone paved square in South America.

This whimsical home made entirely from clay is basically a giant piece of pottery.

This Bogotá museum houses the world's largest collection of pre-Columbian gold relics.

Mysterious Incan ruins on a tiny island in Lake Titicaca.

This lake’s emerald green waters are a spectacular sight, but it’s not a great place for a swim.

A desert that evokes the surreal.

This red lake 4,000 meters above sea level is home to rare flamingos.

A seemingly endless landscape of pure salt stretches far across Bolivia.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

Berliners converted a bombed-out, disused lot into a community-run urban farm with its own cafe and bar.

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

The architect of this fanciful complex called it an "oasis for humanity and nature in a sea of rational houses."

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

If you visit the burial place of King Frederick the Great, you'll likely find a couple of potatoes sitting on his tombstone.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

This snug medieval lane is one of the narrowest streets in the world.

The ruins of a pre-Columbian fortress city so secure it held off the Spanish conquistadors for over 20 years.