In a quiet north Chicago neighborhood rests a stunning relic of the golden age of earthenware design.

Huge abstract sculptures of the Puerto Rican Flag.

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

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

Catalonia Tradition: Beating the hollow Christmas log until it defecates in your fireplace.

The unexpectedly beloved remnants of a controversial thermal power plant.

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.

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

This Funeral Hearse Museum represents the finest in cadaver transportation.

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

Bask in the 19th century grandeur of an eccentric Freemason millionaire's private gardens.

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

A beautiful but toxic fountain of mercury.

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.

This supermarket is suspended 25 feet above an interstate highway.

Climb to the top of this spiritual tower, and you'll be rewarded with spectacular views.

When ecosystems collide in the arid Southwest.

One woman's UFO-themed campground, complete with self-built energy vortexes, UFO-themed weddings, and magic bushes.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

Madrid's last horchata kiosk is a blue-and-white beacon of refreshment.

Turkish adventurer antiques in the heart of the Grand Bazaar.

A lush indoor jungle fills this bustling Madrid transportation hub.