A series of playful yellow penguins share a serious message about the environment.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

A disquieting Aztec sculpture displays hundreds of stone skulls representing the victims of human sacrifice.

This museum houses two of Mexico's most impressive Aztec monoliths.

In Coyoacán, a pair of coyotes crown a public fountain in reference to the ancient Aztec name of the borough.

Frida Kahlo's childhood home, now a museum of her life and works.

The only castle in North America to ever house European sovereigns.

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

The most southern point you can drive to in the Western Hemisphere.

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

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.

The largest geyser field in the southern hemisphere is a spectacular sight.

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

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

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

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

This public elevator links the lower city to the upper city of Salvador.

Solitary monument dedicated to the beauty of nature.

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

Ella Fitzgerald, opera singer Enrico Caruso, and dancer Isadora Duncan all performed in this lavish, supposedly haunted theater.

Something about this Brazilian city is slightly askew... literally.