A science fiction-inspired apartment building designed by a famous Spanish architect.

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

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

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

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

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

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

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

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

This natural gas vent certainly earns its name as the smallest volcano in Italy.

This enchanting 600-year-old tree is so magical it inspired the beloved tale of Pinocchio.

A blend of nature and art awaits visitors to this park.

Leonardo da Vinci was one of many to find inspiration in this unique, rocky landscape in Tuscany.

On rare days, this abandoned castle's gatekeepers open its doors, revealing the eye-popping splendor hidden inside.

Art and armour fill every inch of this rich kid's Italian villa.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

This garden among the Florentine hills is complete with a meditation path and works of poetry.

The oldest operating pharmacy in the world features 800-year-old recipes.