Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

A lush indoor jungle fills this bustling Madrid transportation hub.

The earliest known map to show America, discovered by accident at a Paris bookshop.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

In one of the smallest countries in the world stands an original Salvador Dalí sculpture.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

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

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

A bronze statue of the famed Prussian naturalist commemorates the year he spent in Mexico.

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

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

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

This colossal ancient sculpture of the monstrous Aztec rain god has a literally stormy history.

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

The turquoise-studded skull of a long-dead Aztec man sits within Mexico City’s Museum of Anthropology.

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

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

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

The only castle in North America to ever house European sovereigns.

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

The now-public home of a renowned art collector is full of unique pieces from viceregal and 19th-century Mexico.

Home to drunken tower-climbing goats... seriously.