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

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

A heated statue pays tribute to one of Sweden's great actresses.

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

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

Stockholm's tiniest statue is of a small boy looking at the Moon.

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

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.

This spectacular dome managed to survive after being bombed in World War II, in an event known as the "Miracle of Mosta."

The floor of this spectacular Baroque sanctuary is covered in memento mori.

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

The stunning interior of this Gothic church is covered in ornate gold details.

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

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

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

The world's oldest bookshop still in operation.

During World War II, the Nazis repurposed this beer cellar to store stolen artwork.

A museum that chronicles the history of the Nuremberg Trials for Nazi war criminals in the building where the trials were once held.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

This strange sculpture depicts a giant nightmare hare crushing a man to death beneath its colossal bulk.

This lurid German fountain plots the sad course of marriage from dating to death.

An ornate sculpture of an ox in repose marks the former entrance to Nuremberg's medieval meat market, which was destroyed during World War II.