An eerie collection of the surviving structures from a past celebration of the future.

The current seat of the Parliament of Andalusia was once the epicenter of the Great Plague of Seville.

The "Little Ones," show Portugal in full miniature splendor.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

For one day every month Barcelona's Estació de França transforms into a market for model trains.

This former Baroque palace on the historic Calle Montcada is a rare architectural gem and was once the meeting place of an aristocratic scholarly society.

A temple to modernity, tucked away amid Barcelona's more well known museums.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

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

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 was finally completed in 2026—a century after the death of its architect.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

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

A beautiful but toxic fountain of mercury.

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

An early 20th-century bullring converted into a modern shopping center.

This colorful statue welcomes visitors to a Barcelona park.

A former steam-powered mill from the 1800s is now an industrial park with a giant steel dragon slide.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

Continental Europe's only museum devoted to salt and pepper shakers features more than 20,000 designs.

This 47-story "M" needed 20 years to be completed

The surviving remnants of a destroyed medieval church now stand in a public park.

A magnificent place to see authentic paleolithic cave paintings that are an astounding 33,000 years old.