The celebrated eyesore created by starry-eyed sweethearts.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

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.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A pastry shop specializing in Sephardic sweets serves historic recipes in Ribadavia’s Jewish quarter.

The building hides in plain sight in Ribadavia's historic Jewish quarter.

This stop on the Camino de Santiago stands high above the underwater ruins of a medieval town.

This enormous censer uses a pulley system installed over 400 years ago.

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

In Spain, the ruins of a Roman military camp sit along a flooded section of a river.

An accidental trick of light casts the perfect shadow of a pilgrim of the Camino de Santiago against the cathedral wall.

This underground church is topped with a 500-foot cross that is seen by many as a beacon of fascist hubris.

Remarkably intact Roman stone fortifications have encircled this Spanish city for centuries.

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

A historic Christian shrine nestled within a spectacular natural cave.

The Cathedral of Salamanca has a number of unusual carvings but none so surprising as a modern astronaut.

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

The oldest Roman lighthouse still in use.

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

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

The final resting place of the great navigator, or maybe his brother.