The unfinished final resting place of some of Spain's most prominent politicians.

One of the largest ossuaries in Spain is packed from floor to ceiling with bones.

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

The first mechanized factory in Spain is also one of the most significant mints in the history of money.

A curious memento mori hangs in the magnificent Cathedral of Segovia.

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

A controversial art piece that harkens back to local folklore.

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

This generously endowed statue once stood guard outside a Roman home.

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

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

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

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.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

Mountain where Jesus was first tempted by the Devil.

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

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

This cemetery features modernist statues as strange as its name.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

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

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Once close to extinction, there is no shortage of elephant seals on the beaches of Año Nuevo State Park.

A 1920s speakeasy that had rum runners racing up and down the shores of California.

The most beautiful Taco Bell in the world even has surfboard parking.