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

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

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

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

The attic of a four-century-old canal house hides a clandestine church.

Cat art as far as the eye can see.

Established in 1638 to battle the Black Death, this botanical garden is a treasure trove of rare flora.

This fortress was built using the last surviving stones from the Lighthouse of Alexandria, one of the Seven Wonders of the Ancient World.

A tragic tale of a young woman accused of witchcraft haunts this place.

A lone nuraghe and a little old church with mysterious origins.

A miniature park, fairy garden, milkshake bar, museum, and micronation in one.

The only remaining wind-powered paper mill in the world.

This statue stands in honor of Antoine de Saint-Exupéry, the French author of 'The Little Prince' and an aviation hero.

Unexpectedly standing in a glade, this large group of life-sized, 3D-printed clay figures captures the essence of local young people.

A narrow fjord-like lake, the third-deepest in the United States, runs for over 50 miles into the Cascades of Washington state.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

"Call for the doctor, call for the nurse... Vote!! said the lady with the alligator purse."

A carnivorous plant paradise in a serpentine bog.

Shakespeare has been brought to life in this open air theater for the better part of a century.

A public fountain that spouts "health water" from a nearby spring.

This natural marble cave is one of only five national monuments in Oregon.

A tourist attraction founded around a slumping cabin.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.