What appears to be a wizard's lair in Milwaukee actually houses a massive water pipe.

A wonderfully curated used bookstore in an airport.

According to the legend, this strikingly beautiful hill has miraculous healing powers.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

This nondescript building was the birthplace of Morris cars.

Thanks to an acoustic anomaly, this unassuming stone bench has heard one hundred years of secrets.

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.

This cafe offers a curated collection of treats and tipples made by monks and nuns.

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

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

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

A lush indoor jungle fills this bustling Madrid transportation hub.

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

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

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

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

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

Once one of the largest rooms full of books in the world, this bookstore basement is still a treat for bibliophiles.

Its collection includes a broad array of social, geographic, graphic design, and political history.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

This one has sailed five times as far as Sir Francis Drake's famous ship.