An artificial date palm stands as a memorial to Warsaw's Jewish community.

In the summer, the area around this sculpture transforms into a vibrant concert venue.

A cluster of headless, armless sculptures looms within a popular Polish park.

Special benches that play Chopin's music are scattered throughout his native city.

An impressive monument to Poland's independence.

A striking public sculpture representing the period of martial law in Communist Poland.

The silly symbol for an underground protest group is now scattered around the city.

A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.

An underground city of salt.

This stunning and ethereal mural symbolizes the beauty, unity, and diversity of humankind.

Mexico's National Sound Library houses music, recordings, and voices from the nation's rich past.

The spectacular subterranean collection includes dazzling minerals, including a piece of "kryptonite."

Dating back to the second century, vestiges of prehispanic mural paintings are found in this underground palace.

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.

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

These colonial murals are a fascinating hybrid of Spanish and Indigenous aesthetics.

These sacred Mesoamerican ruins feature peculiar petroglyphs hidden in the stones.

The ruins of a former sanctuary for elite Aztec warriors.

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

This colossal ancient jaguar sculpture was used as a vessel for the hearts torn from sacrificial victims.

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

Iconic red and white plaques show the creative names invented to navigate the city streets.