The oldest operating roller coaster of its kind, the Montaña Suiza has been thrilling riders since 1928.

This 19th-century fountain's namesake animal isn't what you think it is.

Giant topiary dog once played a role in a terrorist bomb plot.

A small church ornamented with medieval erotic sculptures.

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

This line of 12 tower mills described in the story of Don Quixote is among the most iconic landscapes in Spain.

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

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

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

Just like in Hollywood, Madrid has also a forgotten walk of fame.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

The facade of this 16th-century building is decorated with carvings of 300 seashells.

An automaton perched above an classic clock and watch store

In this 400-year-old hotel in Madrid, you'll find a comb in every room, an old clock, and maybe a ghost.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

An ancient Egyptian temple in the middle of Madrid, Spain.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

This colorful statue welcomes visitors to a Barcelona park.

An early 20th-century bullring converted into a modern shopping center.

A hidden three-foot-wide house separates these two regal churches.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

Elaborate tile work in this railway station tells the story of Portugal.

This giant sculpture made of trash is a critique of society's wastefulness.