A reproduction of the famous prehistoric cave paintings is hidden underground at the National Archaeological Museum.

An ancient Egyptian temple in the middle of Madrid, Spain.

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

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

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

Hidden behind a wall, Spanish nuns distribute their signature sweets on a revolving tray.

An eerie collection of the surviving structures from a past celebration of the future.

A 16th-century Andalusian palace.

Its appearance in "Game of Thrones" may spur on the long-awaited restoration of this medieval shipyard.

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

An early 20th-century bullring converted into a modern shopping center.

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

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

The studio of Catalonia's most famous theatrical designer remains exactly as he left it.

This Funeral Hearse Museum represents the finest in cadaver transportation.

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

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.

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

Traveling collection of amazing automata.

A collection of comics, graphic novels, animation and caricatures devoted to exploring this often overlooked art form.

A toy store with a century-long history preserves the craftsmanship of playthings of the past.