A unique underground structure dating back to the 1st century BC.

This store decorated with Japanese and underground pop culture items has been the centre of Barcelona alternative fashion scenes for more than a decade.

A bookstore dedicated to the intersection of comedy and art.

On the wall of this medieval square, a symbol of the Spanish Inquisition.

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

An eclectic collection of thousands of items owned by the sculptor Frederic Marès.

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

This stunning iron gate designed by Modernist architect Antoni Gaudí is filled with mythic symbolism.

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

Of course Salvador Dalí lived in a castle...

Occupied for six centuries by Franciscan Order nuns, this monastery is an amazing ode to Catalán Gothic architecture.

One of Antoni Gaudí's least-visited works, an homage to Catalan patrimony that mixes neo-Gothic with Modernista forms.

Village situated on a narrow volcanic escarpment.

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

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

At the foot of a waterfall lies a peaceful swimming lagoon and evidence of over 60,000 years of human habitation.

An enchanting monastery in the Spanish countryside appears lifted from a fantasy tale.

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

Mountain where Jesus was first tempted by the Devil.

An unusual stroll through gentlemen's erotica demonstrates that pornography is timeless.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The grotto where Saint Ignatius of Loyola lived as a hermit for nearly a year.

A long strip of fossil-filled limestone makes up this natural bridge above a rushing stream.

Holy Grotto of Montserrat Monastery holds one of Europe's mysterious black Madonnas.