An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

An architect transformed this abandoned cement factory into his castle-like workshop.

This cemetery features modernist statues as strange as its name.

This semi-secret storybook hedge maze is also the oldest garden in the city.

A cemetery in Barcelona's Poblenou district is home to this touching funerary statue, which depicts death in the form of a winged skeleton.

A beautiful but toxic fountain of mercury.

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

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

This mansion oasis contains gardens, sculptures, and fountains just off the busy Plaça Kennedy in Sant Gervasi.

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

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

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.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

Ancient catacombs form the foundation for this Rococo orgy of a church.

Elaborate tile work in this railway station tells the story of Portugal.

A hidden three-foot-wide house separates these two regal churches.

The stunning interior of this Gothic church is covered in ornate gold details.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

An abandoned lighthouse awaits its destiny: being buried under shifting sand.

The largest collection of hair jewelry in Europe reminds you how creepy 19th-century love was.

With over 340,000 artifacts and counting, there is something for everyone, often called the "Smithsonian of the West."

This tiny movie theater was the last one in the U.S. constructed in the Nuevo Deco architectural style.

The oldest continuously-operating Chinese restaurant in the United States has been in business since 1911.