The art museum is decorated with creatively remodeled pre-Nazi swastikas.

Beneath Denmark's Højbro bridge, a bronze merman and his seven sons forever mourn for the mother and wife who left them for land.

The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.

Copenhagen's "other" little mermaid marks the historic location of past sea maid sightings.

This bridge's unique architecture honors nautical heritage and encourages self-awareness.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

This chimerical bridge/tunnel appears to dead end right into the sea.

Swedish skyscraper with a 90° twist.

This pair of gilded girls atop an Art Deco building in Copenhagen were built to function as a weather indicator.

Copenhagen's celebrated theme park and gardens.

Its appearance in "Game of Thrones" may spur on the long-awaited restoration of this medieval shipyard.

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

The world's largest wooden structure.

Hidden behind a wall, Spanish nuns distribute their signature sweets on a revolving tray.

A home for Spain's version of the Tooth Fairy, hidden in an old gas company register.

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

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

One of Madrid's oldest trees, with a long and colorful history, resides in El Retiro Park.

Along the pavement of this neighborhood in Madrid are quotes from famous authors.

Grab a slice of Catalonia’s famous flatbread in a space with ancient Roman roots.

More than 5,000 artifacts donated by the people of the city, plus a room entirely devoted to the band U2.

The rounded structure has evolves from service station to citrus to souvenirs to Charley survivor.

Electrical pylon in the shape of Disney's beloved mouse.

Opened in 1976, this monster-sized version of the fast-food franchise is sometimes called the Epic McD.