Sweden's oldest animated sign is still lighting up the skyline today.

A golden plaque marks the site of the mysterious unsolved assassination of the former Swedish prime minister.

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.

This homeless brass fox tugs at your heartstrings from the foot of a Stockholm bridge.

This Stockholm light tower can be controlled by anyone with a smartphone.

It houses the remains of a 17th-century version of the Titanic.

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

A towering monument in Spain has proven to be more labor-intensive than initially planned.

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

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

Commonly acknowledged as the only public monument to the Devil himself.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

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

Holy Grotto of Montserrat Monastery holds one of Europe's mysterious black Madonnas.

Saint Joseph was said to heal the deaf and blind, but it was a much smaller miracle that got him canonized.

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 largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

The oldest giants in Catalonia are now displayed in a 14th-century Gothic church.

One of the most photographed buildings in a city known for its Modernista architecture is an abandoned squat.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

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

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

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

Mountain where Jesus was first tempted by the Devil.