An iconic and controversial ancient Iberian funerary urn with a hauntingly penetrating gaze.

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

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

This house's itty bitty size means no humans allowed.

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

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

Wonderland replication in progress by one persistent man.

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

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

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

A lush indoor jungle fills this bustling Madrid transportation hub.

A monument to peace, built by one man over the course of 25 years.

A futuristic rocket marks the spot where three borders meet.

Switzerland's oldest public observatory is an important part of the Zurich cityscape.

CERN's beautiful, bending sculpture is a tribute to the spread of knowledge.

This work of engineering is imbued with elegance and ingeniousness.

This statue of a Hindu cosmic dancer at CERN is a metaphor for modern physics.

Part of this hotel resides in Switzerland, the other in France, and the border splits the honeymoon suite.

Constructed along the shores of Lake Zurich, this pavilion is a walk-through work of art.

The World Wide Web was created in this nondescript corridor at CERN.

A tower-like theater in the Swiss Alps built to withstand the high winds and avalanches of the mountain pass.

The largest underground lake in Europe.

An 11th-century fortress home to one of the most influential royal houses in medieval Europe.

This eclectic architectural gem played witness to Zurich’s colonial past.