Sample sweets at an Art Nouveau candy shop that's been in business since 1874.

A shining treasure trove of fine Mexican silver dating back to the 15th century.

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

A terrific purveyor of natural history objects and curios.

Abandoned figurines adorn a small plot on the side of a craft market's entrance.

The hot chocolate here all stems from small, sustainable microproducers in Chiapas and Tabasco.

A scientific repository of goiters, boils and other ailments throughout Mexican history.

This one-window stand has been home to a giant vat of slowly simmering meats and an array of unique tacos for almost 50 years.

Located in a veterinary school, this macabre exhibit displays the effects of animal diseases.

This covert museum showcases booties worn by a rescue dog and slippers owned by Queen Elizabeth II.

The ruins of the bathhouse used by the ill-fated last Aztec emperor still lie in Chapultepec Park.

This snug medieval lane is one of the narrowest streets in the world.

This extraordinary art museum is like a secret world on the edge of Mexico City.

Home to three historic ships from the age of Vikings.

This piece of a Renaissance-era Spanish castle remained lost for decades.

The famous artist couple lived and worked here, in two different houses separated by a bridge.

Meant to be one of the most extravagant hotels in the world, now an eerie, abandoned architectural gem in Mexico City.

Twelve natural mummies are displayed in the crypt of this former monastery school.

This once-abandoned mansion is now a dreamy event space.

This old-school café is famous for serving coffee, chilaquiles, and the Cuban Revolution.

These biodiverse university gardens form a green oasis amid the urban chaos of Mexico City.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

An unusual stroll through gentlemen's erotica demonstrates that pornography is timeless.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.