This awesome Spanish castle is so fantastical it was actually used on Game of Thrones.

In the fictional world of Kcymaerxthaere, celestial wonders marked a portal to a powerful route of travel at this site in Madrid, Spain.

A Spanish town built into the cliffs.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

Village situated on a narrow volcanic escarpment.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

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

A landscape decorated with enormous skull sculptures.

A Spanish forest is filled with mysterious stone carvings.

This Funeral Hearse Museum represents the finest in cadaver transportation.

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

A cemetery in Barcelona's Poblenou district is home to this touching funerary statue, which depicts death in the form of a winged skeleton.

A museum dedicated to the Spanish occult in a town that was terrorized by the Inquisition.

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

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

A temple to modernity, tucked away amid Barcelona's more well known museums.

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

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

A lush indoor jungle fills this bustling Madrid transportation hub.

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

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

This semi-secret storybook hedge maze is also the oldest garden in the city.