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

A Jenga-style cylindrical tower of books that appears to go on forever.

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

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

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

The medieval "Bearded Man" relief still serves as a clever flood warning marker.

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

Macabre astrological automaton clock dating to the late 1400s.

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

A surreal statue honoring Prague's favorite literary son.

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

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

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

Nine bronze hands protruding from a wall honor the student uprising that led to the fall of Czechoslovakia's Communist government.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Come face to face with the ferocious visage of the serpent-headed mother goddess of the Aztecs.

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

Once home to an aristocratic family and a workers' organization, this intricately tiled building now houses a chain restaurant.

These spectacular, symbolic serpents lie within the shadow of the Great Temple.

The striking jade death mask of an ancient Maya king is displayed in a replica tomb in Mexico City.

Many people don't realize there’s a lot going on in—and below—the world’s tallest triumphal arch.

This strange sculpture of a menacing skull surrounded by sun rays was discovered at the foot of the Pyramid of the Sun.

An airy Art Deco space devoted to the weird and wonderful folk art traditions of Mexico.

This immense scene of a cosmic battle between a jaguar and serpent illustrates the Aztec concept of the duality of life.