A memorial to the victims of Argentina's "Dirty War."

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

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

The inspiration for the Patagonia Clothing logo, Cerro Fitz Roy turns pink at sunrise.

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

The world's oldest bookshop still in operation.

Ernest Hemingway was the first to sign this colorful wall covered in thousands of celebrity signatures.

A fairytale island floats in the middle of Italy's little-known Lake Orta.

Pilgrimage site for star-crossed lovers.

Five candy-colored villages on the Italian Riviera.

Go inside to really appreciate this 500-year-old technological masterpiece.

On rare days, this abandoned castle's gatekeepers open its doors, revealing the eye-popping splendor hidden inside.

The final resting place of the poets Shelley and Keats.

Natural cathedral designed by Italian artist Giuliano Mauri.

Geothermal waterfalls in Tuscany.

The middle finger of modernity.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

A French artist's vague warning hangs over Belleville.

Dedicated to the art of hunting, with juxtapositions of contemporary art.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

In the best of all possible worlds, everyone will get a chance to see this statue in which Voltaire's heart is interred.

Indents in the pavement are all that remain from a grisly death machine in Paris.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.