This giant crucifix is like U2's Joshua Tree for Swedish death metal fans.

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

This gem from the industrial age helps visitors and residents alike traverse hilly Stockholm.

An 11th-century runestone decorates the halls of Terminal 2 of this Scandinavian travel hub.

This small museum nestled inside a souvenir shop is dedicated to Sweden's most well-known toy.

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

Stockholm's narrowest alley is barely over two feet wide.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

Sweden's "good old days" painstakingly re-created in a model village.

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

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

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

The university library shaped like a giant piece of Swiss cheese.

Venice's island of the dead.

The Gaudí-inspired building that was the start of Terrassenc modernism.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

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

Ancient catacombs form the foundation for this Rococo orgy of a church.

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

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.