A statue of a boy looks up at where the famous rival to the Leaning Tower of Pisa once stood.

The most elaborate of 12 medieval arched doorways to the old city of Burgos.

The remains of the second-oldest zoo in Europe can be seen within these library gardens.

This lucky bronze frog was gifted to Madrid by a casino.

Among the oldest structures in Madrid, these Moorish walls once guarded the medieval city of Mayrit.

The only urban monument in the world designed by the great surrealist painter Salvador Dalí.

The ruins of an ancient stadium that hosted gripping chariot and horse races.

This amended headstone marks the grave of a participant in one of the most successful military deceptions of all time.

The Gaudí-inspired building that was the start of Terrassenc modernism.

This former charity hospital for elderly clergy houses some of Seville’s most treasured paintings.

A Spanish artist builds his own castle.

An eccentric collection of antique items shares space with a prop-quality witchcraft museum.

Devastated landscape used for hundreds of years by the Romans as their primary mining site.

This amazing abuela became a diehard metal fan late in life and an icon of Madrid's '80s rock scene.

The chefs at El Diablo use heat generated by an active volcano to cook the food.

Of course Salvador Dalí lived in a castle...

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

This whimsical winery by Antoni Gaudí looks ripped from the pages of a fairytale.

Bacteria and algae give the salty water its bubblegum hue.

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

Mountain where Jesus was first tempted by the Devil.

This 700-year-old structure is one of the most unique architectural and historic monuments in Gdańsk.

An experimental, automotive replica of Stonehenge.

A giant red chair bolted to a rock on a remote mossy hillside in Iceland.