This stately clock was gifted from China's last imperial government to the people of Mexico.

Mexico's second-tallest monument, now half-hidden in a private residential complex.

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

The remains of an Aztec school and various intriguing artifacts lie below a modern cultural center.

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

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.

A grand entrance to one of the world's smallest Chinatowns.

The unique collection often goes unnoticed by visitors focused only on the archaeological objects.

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

A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.

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

Part bookstore, part café, and part forest.

Built just after the American Revolution, the oldest row house in New York City still stands in Chinatown.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

One of the last Jazz Age "Wonder Theaters" in New York City.

Try not to get slimed in Tribeca.

New York's oldest magic store.

The house where Good Will Hunting was written is a surreal fairytale abode.

In a city filled with Frank Gehry buildings, one stands out as one of the architect's weirder works.

Rainbow-hued local gem in Venice.

A historic coal mine that doubles as a museum and tourist attraction.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.