This concrete amphitheater offers an unforgettable view of one of Mexico's most beautiful canyons.

For decades, the parade of apostles that left the Expiatory Temple of Guadalajara remained hidden inside one of the towers.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

A tongue-in-cheek arcade where the games are based on everyday life.

The plunge pool is a surviving relic of a rowdy royal residence.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

This lesser-known Frank Gehry building houses a treasure trove of cinema history.

This historic cemetery built for victims of the epidemics that swept Guadalajara is shrouded in macabre tales.

This structure was moved nearly 40 feet while people continued working inside it.

A beautiful and controversial modern sculpture that alludes to the Aztec past identity of the Virgin of Guadalupe and the phenomenon of syncretism.

One of the oldest hospitals in the Americas is now decorated in hallucinatory murals.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

Montmartre's sole surviving windmill became an iconic landmark for 19th-century painters, artists, and bohemians.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.