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.

The water of this well in Toledo lost its sweetness after the death of a young love.

This ancient Roman cistern has been the source of many legends throughout the centuries.

The ruins of an ancient stadium that hosted gripping chariot and horse races.

An homage to the first Spanish cyclist to win the Tour de France.

At least according to the Guinness World Records.

Once the grandest synagogue in medieval Spain, it now stands as a memorial of the 15th-century Jewish exile.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.