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

This abandoned church in central Lyon is missing its front stairs.

Explore the 500-year history of silk-making in Lyon at this museum, workshop, and boutique.

Lyon's "Wall of the Silk Weavers" is one of the largest murals in Europe.

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

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

The world's first funicular powered by a steam engine.

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

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

The lost Latin words were reconstructed using the holes from the nails that once pinned them in place.

This work of art was conceived as a mosaic originally designed to decorate a car dealership.

Few symbols capture the spirit of Catalonia more vividly than its tradition of human towers.

These humble figures are a quiet tribute to the bodies and the souls of the neighbors of El Serrallo, Tarragona, so closely linked to the sea

Built between 1901 and 1908, this building is one of the most iconic examples of modernist architecture in Spain.

Touching the iron railings of Tarragona's balcony to the Mediterranean is said to bring good luck.

Long tunnels run under the ancient chariot racing circuit to the tower.

This Roman arena once played host to bloody gladiatorial battles.

Among the oldest structures in Madrid, these Moorish walls once guarded the medieval city of Mayrit.

The remains of this old Madrid wall are attached to a fire station

This historic fountain is a favorite neighborhood meeting point.

This magnificent castle grew from a small Moorish fortress, and reportedly inspired two iconic Disney castles.

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

These "mermaids" that surround a plaza in Segovia are rather sphinx-like.

The fragmented remains of a massive public bath connected to the city's water supply.