The remnants of a 19th-century ironmaking complex hidden in the woods of Connecticut.

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

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

This colorful statue welcomes visitors to a Barcelona park.

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.

Construction of Barcelona’s iconic (but controversial) church was finally 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.

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

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

An old, deep well, connected with a miraculous, divine rescue and the patron saint of Madrid.

Part of the medieval watchtower is displayed in an otherwise ordinary parking garage.

Among the oldest structures in Madrid, these Moorish walls once guarded the medieval city of Mayrit.

A lush indoor jungle fills this bustling Madrid transportation hub.

One of Madrid's oldest trees, with a long and colorful history, resides in El Retiro Park.

Commonly acknowledged as the only public monument to the Devil himself.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

The only urban monument in the world designed by the great surrealist painter Salvador Dalí.

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

This lucky bronze frog was gifted to Madrid by a casino.

Inside this church are the alleged remains of the patron saint of lovers, epileptics, and beekeepers.

In the fictional world of Kcymaerxthaere, celestial wonders marked a portal to a powerful route of travel at this site in Madrid, Spain.

Just like in Hollywood, Madrid has also a forgotten walk of fame.

An ancient Egyptian temple in the middle of Madrid, Spain.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.