An elaborately decorated house sits on an otherwise quiet street.

A modernist church in an ancient village.

Mine shafts and hard pastries await visitors at this massive mountain of salt.

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

Abandoned waterpark turned counter-culture mecca.

An ornate tower shows off a local artist's architectural flair.

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

Cursed swimming pool left abandoned is now a favorite of filmmakers and ghost hunters.

A bronze sculpture of a monkey sits outside this factory, which has made an anise-flavored liqueur for over 150 years.

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

This Funeral Hearse Museum represents the finest in cadaver transportation.

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

The former 1920s mansion of a prominent Catalan developer was used as the Soviet Embassy during the Spanish Civil War, and there is still a bunker below the garden.

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

This exhibition space designed to look like the skeleton of a whale is hidden underground.