This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

A musical instrument played by the sea.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

When a supermarket opened up shop within a medieval building it became protected by UNESCO on a technicality.

A battle between nature and architecture in the Cambodian jungle.

Bombed and burned, this monument represents the often controversial ties between Vietnam and Cambodia.

One of the biggest markets in Asia, under one of the continent's largest domes.

Drink wine handed out through a window as part of an age-old tradition.

The oldest operating pharmacy in the world features 800-year-old recipes.

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

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

A Japanese video game arcade hides in the back of a Swedish pool hall.

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.

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

Street artists transformed this abandoned industrial neighborhood into one of Europe's largest graffiti exhibitions.

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

The world's largest model of our planetary system.

The library's graceful rotunda is like a bibliophile's temple.

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

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

A Stockholm metro station is home to an escalator that is not only the longest in Sweden, but among the longest in the world.

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