A treasure trove of scientific instruments from the 17th and 18th centuries.

One of the most historical literary characters continues to stroll his hometown.

An opulent monument built for a duke who donated his entire fortune to the city of Geneva.

The world's largest second-hand graces a clock surrounded by constantly changing flower beds. 

This hidden garden boasts amazing views of Lyon.

Hundreds of hidden passageways weave through the old quarters of Lyon.

A colorful piece of contemporary art cheerfully clashes with Lyon's historical architecture.

For hundreds of years, automatons moving to metallic music have been marking the passage of time.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

Lyon's miniature version of the Eiffel Tower was built as a statement in support of French secularism.

Part of the medieval watchtower is displayed in an otherwise ordinary parking garage.

An ancient Roman theatre restored to its former glory in the Spanish city of Cartegena.

This small and often-overlooked museum holds some of Spain's finest artistic treasures.

Abandoned for decades, trains still pass through the now-restored remains of one of Madrid's first metro stations.

This enormous sardine in the Segura River pays tribute to an annual post-Lent tradition.

This enigmatic Iberian sculpture of uncertain origin may have once guarded a burial site.

A comprehensive look at the art of Joaquín Sorolla in his former home in Madrid.

This dragon narrowly escaped demolition.

The remains of an ancient medieval monastery can be seen in the basement of a luxury hotel

The world's first electric battery-powered submarine.

This open-air sculpture museum is located under a bridge in the center of Madrid.

Op-art architecture designed for happiness.

This sculpture shows an iconic image typical of Ibiza that, however, did not take place here

Along the pavement of this neighborhood in Madrid are quotes from famous authors.