The original shop where the iconic Belgian praline was invented.

A little sculpture with a large wardrobe.

A Gothic-inspired fish market is Gothenburg's best place to find loaves and fishes.

This massive Trojan ursine was built to be a new tourist symbol for a small Swedish town.

Sweden's first nuclear reactor, R1, can be visited 25 meters underground.

A concrete mushroom that divided Stockholm residents for nearly a century.

One of the earliest subway stations in Stockholm, which still looks like the 1950s.

A Very Low Frequency transmitter you can tune in on your PC.

Once the center of power for the region's various factories.

A statue of the heroic plumber stands outside a company that bluffed its way into being Nintendo’s Scandinavian distributor.

Walking through this narrow gorge will make you feel like you've fallen into a fairytale landscape.

Take a schvitz just like an infamous Soviet dictator while his unblinking eye looks on.

Standing atop 2nd-century Roman ruins, this church is one of the oldest and most iconic in Old Cairo.

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

Dine on food tied to Viking history and legend at this subterranean Stockholm spot.

Several cannonballs of mysterious origins decorate two buildings in Stortoget's main square.

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.

This statue and park honor the Swedish chemist Jacob Berzelius, one of the founders of modern chemistry.

Stockholm's deepest subway station is also a stunning ecological wonder.

The discovery of an old wall led to the creation of this fascinating museum about the city in the Middle Ages.

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

This pair of unsuspecting buildings are in fact the very first modern skyscrapers in Europe.