Collapsed television tower finds new life as a control tower for boat races.

The remnants of a failed socialist commune can still be found just off a California highway.

Arcadia is home to a haven for nature geeks and 80s TV lovers alike.

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

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

This midcentury LA bar was the birthplace of tiki culture.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

A common entry point to the Griffith Observatory trail holds its own wonders.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

This hilltop park offers magnificent views and a Frank Lloyd Wright masterpiece.

A diminutive statue that was inspired by the sculptor's own daughter.

This fountain was designed to honor the man who helped bring water to Barcelona.

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

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

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

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

This colorful statue welcomes visitors to a Barcelona park.

The little church's beautifully frescoed ceiling has earned it the nickname “the Sistine Chapel of Madrid.”

Dedicated to a young woman who broke gender barriers at the University of Madrid.

A window into a long-lost world, these colorful tiles advertise a long-defunct range of purgative teas, harmless smokables, and diarrhea cures.

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

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

Artist Natividad Sánchez wrote a new ending for one of Roman mythology's tragic love stories.

The remains of a convent turned military barrack in the heart of Madrid.