Where two rivers meet—but don’t mix.

This peaceful open space below Geneva's famous cathedral is full of art and history.

This hotel is located on the edge of the world's largest salt flat and is made out of the only material around.

This giant Christ took first place in South America's religious arms race.

An ancient Incan convent on Lake Titicaca's Island of the Moon.

A black and white solution to the Bolivian city's traffic problems.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

Baroque celebration of the end of the Great Plague of Vienna.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

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

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

A surreal statue honoring Prague's favorite literary son.

A significant example of Czech cubist architecture—a style you won't find anywhere else in the world.

Macabre astrological automaton clock dating to the late 1400s.

This spooky statue sits outside a famous Prague theater.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

A mocking tribute to the past and modern leadership of Prague.

This automated sculpture of two men peeing will spell out text messages with their micturition.

These small sculptures pay homage to the lovable star of an iconic Argentine comic strip.

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.